45444254546 has 4 divisors (see below), whose sum is σ = 68166381822. Its totient is φ = 22722127272.

The previous prime is 45444254507. The next prime is 45444254561. The reversal of 45444254546 is 64545244454.

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., 26908793521 + 18535461025 = 164039^2 + 136145^2 .

It is a super-2 number, since 2×45444254546² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 45444254546.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11361063635 + ... + 11361063638.

Almost surely, 2^45444254546 is an apocalyptic number.

45444254546 is a deficient number, since it is larger than the sum of its proper divisors (22722127276).

45444254546 is a wasteful number, since it uses less digits than its factorization.

45444254546 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22722127275.

The product of its digits is 6144000, while the sum is 47.

The spelling of 45444254546 in words is "forty-five billion, four hundred forty-four million, two hundred fifty-four thousand, five hundred forty-six".