45515551234 has 4 divisors (see below), whose sum is σ = 68273326854. Its totient is φ = 22757775616.

The previous prime is 45515551223. The next prime is 45515551241. The reversal of 45515551234 is 43215551554.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 32507008209 + 13008543025 = 180297^2 + 114055^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11378887807 + ... + 11378887810.

Almost surely, 2^45515551234 is an apocalyptic number.

45515551234 is a deficient number, since it is larger than the sum of its proper divisors (22757775620).

45515551234 is a wasteful number, since it uses less digits than its factorization.

45515551234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22757775619.

The product of its digits is 300000, while the sum is 40.

The spelling of 45515551234 in words is "forty-five billion, five hundred fifteen million, five hundred fifty-one thousand, two hundred thirty-four".