45090137 has 8 divisors (see below), whose sum is σ = 48217032. Its totient is φ = 42016000.

The previous prime is 45090131. The next prime is 45090179. The reversal of 45090137 is 73109054.

It can be written as a sum of positive squares in 4 ways, for example, as 9616201 + 35473936 = 3101^2 + 5956^2 .

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

It is not a de Polignac number, because 45090137 - 2⁸ = 45089881 is a prime.

It is not an unprimeable number, because it can be changed into a prime (45090131) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11414 + ... + 14847.

It is an arithmetic number, because the mean of its divisors is an integer number (6027129).

Almost surely, 2^45090137 is an apocalyptic number.

It is an amenable number.

45090137 is a deficient number, since it is larger than the sum of its proper divisors (3126895).

45090137 is a wasteful number, since it uses less digits than its factorization.

45090137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26379.

The product of its (nonzero) digits is 3780, while the sum is 29.

The square root of 45090137 is about 6714.9189868531. The cubic root of 45090137 is about 355.9266592385.

The spelling of 45090137 in words is "forty-five million, ninety thousand, one hundred thirty-seven".