154140 has 48 divisors (see below), whose sum is σ = 494592. Its totient is φ = 35136.

The previous prime is 154127. The next prime is 154153. The reversal of 154140 is 41451.

154140 = 15² + 16² + ... + 77².

It is an interprime number because it is at equal distance from previous prime (154127) and next prime (154153).

It is a super-3 number, since 3×154140³ = 10986701333832000, which contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 237 + ... + 603.

It is an arithmetic number, because the mean of its divisors is an integer number (10304).

2¹⁵⁴¹⁴⁰ is an apocalyptic number.

154140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 154140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (247296).

154140 is an abundant number, since it is smaller than the sum of its proper divisors (340452).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

154140 is a wasteful number, since it uses less digits than its factorization.

154140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 386 (or 384 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 15.

The square root of 154140 is about 392.6066734023. The cubic root of 154140 is about 53.6173219429.

Adding to 154140 its reverse (41451), we get a palindrome (195591).

The spelling of 154140 in words is "one hundred fifty-four thousand, one hundred forty".