45234445490 has 32 divisors (see below), whose sum is σ = 87995146176. Its totient is φ = 16642918080.

The previous prime is 45234445457. The next prime is 45234445499. The reversal of 45234445490 is 9454443254.

It is not an unprimeable number, because it can be changed into a prime (45234445499) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 577976 + ... + 651555.

It is an arithmetic number, because the mean of its divisors is an integer number (2749848318).

Almost surely, 2^45234445490 is an apocalyptic number.

45234445490 is a deficient number, since it is larger than the sum of its proper divisors (42760700686).

45234445490 is a wasteful number, since it uses less digits than its factorization.

45234445490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1229834.

The product of its (nonzero) digits is 1382400, while the sum is 44.

The spelling of 45234445490 in words is "forty-five billion, two hundred thirty-four million, four hundred forty-five thousand, four hundred ninety".