90412445 has 16 divisors (see below), whose sum is σ = 111600192. Its totient is φ = 70277760.

The previous prime is 90412433. The next prime is 90412447. The reversal of 90412445 is 54421409.

It is not a de Polignac number, because 90412445 - 2⁴ = 90412429 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90412447) 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, 44369 + ... + 46361.

It is an arithmetic number, because the mean of its divisors is an integer number (6975012).

Almost surely, 2^90412445 is an apocalyptic number.

It is an amenable number.

90412445 is a deficient number, since it is larger than the sum of its proper divisors (21187747).

90412445 is a wasteful number, since it uses less digits than its factorization.

90412445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2252.

The product of its (nonzero) digits is 5760, while the sum is 29.

The square root of 90412445 is about 9508.5458930375. The cubic root of 90412445 is about 448.8239993526.

The spelling of 90412445 in words is "ninety million, four hundred twelve thousand, four hundred forty-five".