146987031 has 8 divisors (see below), whose sum is σ = 196912384. Its totient is φ = 97526520.

The previous prime is 146986999. The next prime is 146987039. The reversal of 146987031 is 130789641.

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

It is not a de Polignac number, because 146987031 - 2⁵ = 146986999 is a prime.

It is a super-2 number, since 2×146987031² = 43210374564389922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (146987039) 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, 115471 + ... + 116736.

It is an arithmetic number, because the mean of its divisors is an integer number (24614048).

Almost surely, 2^146987031 is an apocalyptic number.

146987031 is a deficient number, since it is larger than the sum of its proper divisors (49925353).

146987031 is a wasteful number, since it uses less digits than its factorization.

146987031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 232421.

The product of its (nonzero) digits is 36288, while the sum is 39.

The square root of 146987031 is about 12123.8208086395. The cubic root of 146987031 is about 527.7476877873.

The spelling of 146987031 in words is "one hundred forty-six million, nine hundred eighty-seven thousand, thirty-one".