45641090 has 32 divisors (see below), whose sum is σ = 94898304. Its totient is φ = 15619840.

The previous prime is 45641081. The next prime is 45641093. The reversal of 45641090 is 9014654.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (45641093) 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, 10334 + ... + 14073.

It is an arithmetic number, because the mean of its divisors is an integer number (2965572).

Almost surely, 2^45641090 is an apocalyptic number.

45641090 is an abundant number, since it is smaller than the sum of its proper divisors (49257214).

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

45641090 is a wasteful number, since it uses less digits than its factorization.

45641090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24442.

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 45641090 is about 6755.8189733000. The cubic root of 45641090 is about 357.3704748636.

The spelling of 45641090 in words is "forty-five million, six hundred forty-one thousand, ninety".