45955390 has 32 divisors (see below), whose sum is σ = 91165536. Its totient is φ = 16571520.

The previous prime is 45955333. The next prime is 45955397. The reversal of 45955390 is 9355954.

It is a happy number.

It is a super-2 number, since 2×45955390² = 4223795740104200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45955397) 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, 1480 + ... + 9700.

It is an arithmetic number, because the mean of its divisors is an integer number (2848923).

Almost surely, 2^45955390 is an apocalyptic number.

45955390 is a deficient number, since it is larger than the sum of its proper divisors (45210146).

45955390 is a wasteful number, since it uses less digits than its factorization.

45955390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8284.

The product of its (nonzero) digits is 121500, while the sum is 40.

The square root of 45955390 is about 6779.0404925771. The cubic root of 45955390 is about 358.1889237224.

The spelling of 45955390 in words is "forty-five million, nine hundred fifty-five thousand, three hundred ninety".