145904304 has 80 divisors (see below), whose sum is σ = 463914752. Its totient is φ = 38479104.

The previous prime is 145904303. The next prime is 145904347. The reversal of 145904304 is 403409541.

It is not an unprimeable number, because it can be changed into a prime (145904303) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 12334 + ... + 21069.

Almost surely, 2^145904304 is an apocalyptic number.

145904304 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

145904304 is an abundant number, since it is smaller than the sum of its proper divisors (318010448).

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

145904304 is a wasteful number, since it uses less digits than its factorization.

145904304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33434 (or 33428 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 145904304 is about 12079.0853958402. The cubic root of 145904304 is about 526.4486719099.

The spelling of 145904304 in words is "one hundred forty-five million, nine hundred four thousand, three hundred four".