45122451 has 16 divisors (see below), whose sum is σ = 66873600. Its totient is φ = 26829920.

The previous prime is 45122449. The next prime is 45122477. The reversal of 45122451 is 15422154.

It is a cyclic number.

It is not a de Polignac number, because 45122451 - 2¹ = 45122449 is a prime.

It is not an unprimeable number, because it can be changed into a prime (45122401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11151 + ... + 14648.

It is an arithmetic number, because the mean of its divisors is an integer number (4179600).

Almost surely, 2^45122451 is an apocalyptic number.

45122451 is a deficient number, since it is larger than the sum of its proper divisors (21751149).

45122451 is a wasteful number, since it uses less digits than its factorization.

45122451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25866.

The product of its digits is 1600, while the sum is 24.

The square root of 45122451 is about 6717.3246906786. The cubic root of 45122451 is about 356.0116642856.

The spelling of 45122451 in words is "forty-five million, one hundred twenty-two thousand, four hundred fifty-one".