146000031 has 8 divisors (see below), whose sum is σ = 194723760. Its totient is φ = 97304832.

The previous prime is 146000017. The next prime is 146000059. The reversal of 146000031 is 130000641.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 146000031 - 2⁵ = 145999999 is a prime.

It is a super-2 number, since 2×146000031² = 42632018104001922, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (146000431) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12655 + ... + 21263.

It is an arithmetic number, because the mean of its divisors is an integer number (24340470).

Almost surely, 2^146000031 is an apocalyptic number.

146000031 is a deficient number, since it is larger than the sum of its proper divisors (48723729).

146000031 is an equidigital number, since it uses as much as digits as its factorization.

146000031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14265.

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

The square root of 146000031 is about 12083.0472563836. The cubic root of 146000031 is about 526.5637800854.

Adding to 146000031 its reverse (130000641), we get a palindrome (276000672).

The spelling of 146000031 in words is "one hundred forty-six million, thirty-one", and thus it is an aban number.