145656004 has 24 divisors (see below), whose sum is σ = 275182040. Its totient is φ = 67060224.

The previous prime is 145655999. The next prime is 145656041. The reversal of 145656004 is 400656541.

It can be written as a sum of positive squares in 4 ways, for example, as 12945604 + 132710400 = 3598^2 + 11520^2 .

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, 19282 + ... + 25750.

Almost surely, 2^145656004 is an apocalyptic number.

It is an amenable number.

145656004 is a deficient number, since it is larger than the sum of its proper divisors (129526036).

145656004 is a wasteful number, since it uses less digits than its factorization.

145656004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6919 (or 6917 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 31.

The square root of 145656004 is about 12068.8029232397. The cubic root of 145656004 is about 526.1498654928.

The spelling of 145656004 in words is "one hundred forty-five million, six hundred fifty-six thousand, four".