145498904 has 16 divisors (see below), whose sum is σ = 273023520. Its totient is φ = 72692640.

The previous prime is 145498867. The next prime is 145498909. The reversal of 145498904 is 409894541.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145498909) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4994 + ... + 17774.

It is an arithmetic number, because the mean of its divisors is an integer number (17063970).

Almost surely, 2^145498904 is an apocalyptic number.

It is an amenable number.

145498904 is a deficient number, since it is larger than the sum of its proper divisors (127524616).

145498904 is a wasteful number, since it uses less digits than its factorization.

145498904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14210 (or 14206 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 44.

The square root of 145498904 is about 12062.2926510676. The cubic root of 145498904 is about 525.9606345265.

The spelling of 145498904 in words is "one hundred forty-five million, four hundred ninety-eight thousand, nine hundred four".