45242451 has 12 divisors (see below), whose sum is σ = 65681200. Its totient is φ = 30008880.

The previous prime is 45242437. The next prime is 45242459. The reversal of 45242451 is 15424254.

It is not a de Polignac number, because 45242451 - 2¹⁷ = 45111379 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45242459) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10840 + ... + 14421.

Almost surely, 2^45242451 is an apocalyptic number.

45242451 is a deficient number, since it is larger than the sum of its proper divisors (20438749).

45242451 is a wasteful number, since it uses less digits than its factorization.

45242451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25466 (or 25463 counting only the distinct ones).

The product of its digits is 6400, while the sum is 27.

The square root of 45242451 is about 6726.2508873815. The cubic root of 45242451 is about 356.3269809635.

The spelling of 45242451 in words is "forty-five million, two hundred forty-two thousand, four hundred fifty-one".