45061551 has 6 divisors (see below), whose sum is σ = 65088920. Its totient is φ = 30041028.

The previous prime is 45061547. The next prime is 45061553. The reversal of 45061551 is 15516054.

It is a happy number.

45061551 is a `hidden beast` number, since 4 + 50 + 61 + 551 = 666.

It is not a de Polignac number, because 45061551 - 2² = 45061547 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45061553) 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 5 ways as a sum of consecutive naturals, for example, 2503411 + ... + 2503428.

Almost surely, 2^45061551 is an apocalyptic number.

45061551 is a deficient number, since it is larger than the sum of its proper divisors (20027369).

45061551 is a wasteful number, since it uses less digits than its factorization.

45061551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5006845 (or 5006842 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 27.

The square root of 45061551 is about 6712.7901054629. The cubic root of 45061551 is about 355.8514271882.

It can be divided in two parts, 450 and 61551, that added together give a square (62001 = 249²).

The spelling of 45061551 in words is "forty-five million, sixty-one thousand, five hundred fifty-one".