145631310 has 32 divisors (see below), whose sum is σ = 381290112. Its totient is φ = 35304480.

The previous prime is 145631287. The next prime is 145631327. The reversal of 145631310 is 13136541.

It is a super-2 number, since 2×145631310² = 42416956904632200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 220324 + ... + 220983.

It is an arithmetic number, because the mean of its divisors is an integer number (11915316).

Almost surely, 2^145631310 is an apocalyptic number.

145631310 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

145631310 is an abundant number, since it is smaller than the sum of its proper divisors (235658802).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

145631310 is a wasteful number, since it uses less digits than its factorization.

145631310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 441328.

The product of its (nonzero) digits is 1080, while the sum is 24.

The square root of 145631310 is about 12067.7798289495. The cubic root of 145631310 is about 526.1201299544.

Adding to 145631310 its reverse (13136541), we get a palindrome (158767851).

The spelling of 145631310 in words is "one hundred forty-five million, six hundred thirty-one thousand, three hundred ten".