145414 has 4 divisors (see below), whose sum is σ = 218124. Its totient is φ = 72706.

The previous prime is 145399. The next prime is 145417. The reversal of 145414 is 414541.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 414541 = 257 ⋅1613.

It is a super-2 number, since 2×145414² = 42290462792, which contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is a junction number, because it is equal to n+sod(n) for n = 145391 and 145400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145417) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36352 + ... + 36355.

It is an arithmetic number, because the mean of its divisors is an integer number (54531).

2¹⁴⁵⁴¹⁴ is an apocalyptic number.

145414 is a deficient number, since it is larger than the sum of its proper divisors (72710).

145414 is an equidigital number, since it uses as much as digits as its factorization.

145414 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72709.

The product of its digits is 320, while the sum is 19.

The square root of 145414 is about 381.3318764541. The cubic root of 145414 is about 52.5858308783.

Adding to 145414 its reverse (414541), we get a palindrome (559955).

The spelling of 145414 in words is "one hundred forty-five thousand, four hundred fourteen".