145315588 has 24 divisors (see below), whose sum is σ = 277732224. Its totient is φ = 65978400.

The previous prime is 145315567. The next prime is 145315649. The reversal of 145315588 is 885513541.

It is a happy number.

It is a super-2 number, since 2×145315588² = 42233240231571488, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 145315588.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64318 + ... + 66538.

It is an arithmetic number, because the mean of its divisors is an integer number (11572176).

Almost surely, 2^145315588 is an apocalyptic number.

It is an amenable number.

145315588 is a deficient number, since it is larger than the sum of its proper divisors (132416636).

145315588 is a wasteful number, since it uses less digits than its factorization.

145315588 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3723 (or 3721 counting only the distinct ones).

The product of its digits is 96000, while the sum is 40.

The square root of 145315588 is about 12054.6915348341. The cubic root of 145315588 is about 525.7396534337.

The spelling of 145315588 in words is "one hundred forty-five million, three hundred fifteen thousand, five hundred eighty-eight".