145313516 has 6 divisors (see below), whose sum is σ = 254298660. Its totient is φ = 72656756.

The previous prime is 145313503. The next prime is 145313521. The reversal of 145313516 is 615313541.

145313516 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×145313516² = 42232035864564512, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18164186 + ... + 18164193.

It is an arithmetic number, because the mean of its divisors is an integer number (42383110).

Almost surely, 2^145313516 is an apocalyptic number.

It is an amenable number.

145313516 is a deficient number, since it is larger than the sum of its proper divisors (108985144).

145313516 is a wasteful number, since it uses less digits than its factorization.

145313516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36328383 (or 36328381 counting only the distinct ones).

The product of its digits is 5400, while the sum is 29.

The square root of 145313516 is about 12054.6055928844. The cubic root of 145313516 is about 525.7371546476.

The spelling of 145313516 in words is "one hundred forty-five million, three hundred thirteen thousand, five hundred sixteen".