146285031 has 4 divisors (see below), whose sum is σ = 195046712. Its totient is φ = 97523352.

The previous prime is 146285023. The next prime is 146285033. The reversal of 146285031 is 130582641.

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

It is not a de Polignac number, because 146285031 - 2³ = 146285023 is a prime.

It is a super-2 number, since 2×146285031² = 42798620589341922, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 146285031.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (146285033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24380836 + ... + 24380841.

It is an arithmetic number, because the mean of its divisors is an integer number (48761678).

Almost surely, 2^146285031 is an apocalyptic number.

146285031 is a deficient number, since it is larger than the sum of its proper divisors (48761681).

146285031 is an equidigital number, since it uses as much as digits as its factorization.

146285031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48761680.

The product of its (nonzero) digits is 5760, while the sum is 30.

The square root of 146285031 is about 12094.8348893236. The cubic root of 146285031 is about 526.9061844290.

The spelling of 146285031 in words is "one hundred forty-six million, two hundred eighty-five thousand, thirty-one".