146031 has 4 divisors (see below), whose sum is σ = 194712. Its totient is φ = 97352.

The previous prime is 146023. The next prime is 146033. The reversal of 146031 is 130641.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 146031 - 2³ = 146023 is a prime.

It is a super-2 number, since 2×146031² = 42650105922, which contains 22 as substring.

It is an Ulam number.

It is a D-number.

It is a self number, because there is not a number n which added to its sum of digits gives 146031.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 146031.

It is not an unprimeable number, because it can be changed into a prime (146033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24336 + ... + 24341.

It is an arithmetic number, because the mean of its divisors is an integer number (48678).

2¹⁴⁶⁰³¹ is an apocalyptic number.

146031 is a deficient number, since it is larger than the sum of its proper divisors (48681).

146031 is an equidigital number, since it uses as much as digits as its factorization.

146031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48680.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 146031 is about 382.1400266918. The cubic root of 146031 is about 52.6601008390.

Adding to 146031 its reverse (130641), we get a palindrome (276672).

The spelling of 146031 in words is "one hundred forty-six thousand, thirty-one".