904729145 has 8 divisors (see below), whose sum is σ = 1085907840. Its totient is φ = 723628080.

The previous prime is 904729129. The next prime is 904729181. The reversal of 904729145 is 541927409.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 904729145 - 2⁴ = 904729129 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10400 + ... + 43790.

It is an arithmetic number, because the mean of its divisors is an integer number (135738480).

Almost surely, 2^904729145 is an apocalyptic number.

It is an amenable number.

904729145 is a deficient number, since it is larger than the sum of its proper divisors (181178695).

904729145 is a wasteful number, since it uses less digits than its factorization.

904729145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38815.

The product of its (nonzero) digits is 90720, while the sum is 41.

The square root of 904729145 is about 30078.7158136780. The cubic root of 904729145 is about 967.1775198490.

The spelling of 904729145 in words is "nine hundred four million, seven hundred twenty-nine thousand, one hundred forty-five".