45154644506 has 12 divisors (see below), whose sum is σ = 68757993738. Its totient is φ = 22240342872.

The previous prime is 45154644497. The next prime is 45154644511. The reversal of 45154644506 is 60544645154.

It can be written as a sum of positive squares in only one way, i.e., 24307616281 + 20847028225 = 155909^2 + 144385^2 .

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2505761 + ... + 2523716.

Almost surely, 2^45154644506 is an apocalyptic number.

45154644506 is a deficient number, since it is larger than the sum of its proper divisors (23603349232).

45154644506 is an equidigital number, since it uses as much as digits as its factorization.

45154644506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5029613 (or 5029546 counting only the distinct ones).

The product of its (nonzero) digits is 1152000, while the sum is 44.

The spelling of 45154644506 in words is "forty-five billion, one hundred fifty-four million, six hundred forty-four thousand, five hundred six".