45972545 has 8 divisors (see below), whose sum is σ = 55204224. Its totient is φ = 36753264.

The previous prime is 45972527. The next prime is 45972551. The reversal of 45972545 is 54527954.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 45972545 - 2⁶ = 45972481 is a prime.

It is a super-2 number, since 2×45972545² = 4226949787554050, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10472 + ... + 14198.

It is an arithmetic number, because the mean of its divisors is an integer number (6900528).

Almost surely, 2^45972545 is an apocalyptic number.

It is an amenable number.

45972545 is a deficient number, since it is larger than the sum of its proper divisors (9231679).

45972545 is a wasteful number, since it uses less digits than its factorization.

45972545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6199.

The product of its digits is 252000, while the sum is 41.

The square root of 45972545 is about 6780.3056715756. The cubic root of 45972545 is about 358.2334884371.

The spelling of 45972545 in words is "forty-five million, nine hundred seventy-two thousand, five hundred forty-five".