145904937 has 16 divisors (see below), whose sum is σ = 199675392. Its totient is φ = 94711680.

The previous prime is 145904921. The next prime is 145904951. The reversal of 145904937 is 739409541.

It is not a de Polignac number, because 145904937 - 2⁴ = 145904921 is a prime.

It is not an unprimeable number, because it can be changed into a prime (145904137) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 92328 + ... + 93894.

It is an arithmetic number, because the mean of its divisors is an integer number (12479712).

Almost surely, 2^145904937 is an apocalyptic number.

It is an amenable number.

145904937 is a deficient number, since it is larger than the sum of its proper divisors (53770455).

145904937 is a wasteful number, since it uses less digits than its factorization.

145904937 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2368.

The product of its (nonzero) digits is 136080, while the sum is 42.

The square root of 145904937 is about 12079.1115981267. Note that the first 3 decimals coincide. The cubic root of 145904937 is about 526.4494332343.

The spelling of 145904937 in words is "one hundred forty-five million, nine hundred four thousand, nine hundred thirty-seven".