45739299642 has 32 divisors (see below), whose sum is σ = 91988265600. Its totient is φ = 15161565888.

The previous prime is 45739299607. The next prime is 45739299647. The reversal of 45739299642 is 24699293754.

It is a super-2 number, since 2×45739299642² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (45739299647) 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, 2720859 + ... + 2737617.

It is an arithmetic number, because the mean of its divisors is an integer number (2874633300).

Almost surely, 2^45739299642 is an apocalyptic number.

45739299642 is an abundant number, since it is smaller than the sum of its proper divisors (46248965958).

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

45739299642 is a wasteful number, since it uses less digits than its factorization.

45739299642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19270.

The product of its digits is 29393280, while the sum is 60.

The spelling of 45739299642 in words is "forty-five billion, seven hundred thirty-nine million, two hundred ninety-nine thousand, six hundred forty-two".