45452151 has 16 divisors (see below), whose sum is σ = 67441920. Its totient is φ = 30254040.

The previous prime is 45452131. The next prime is 45452189. The reversal of 45452151 is 15125454.

It is not a de Polignac number, because 45452151 - 2⁵ = 45452119 is a prime.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45452131) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28686 + ... + 30228.

It is an arithmetic number, because the mean of its divisors is an integer number (4215120).

Almost surely, 2^45452151 is an apocalyptic number.

45452151 is a deficient number, since it is larger than the sum of its proper divisors (21989769).

45452151 is a wasteful number, since it uses less digits than its factorization.

45452151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2643 (or 2637 counting only the distinct ones).

The product of its digits is 4000, while the sum is 27.

The square root of 45452151 is about 6741.8210447920. The cubic root of 45452151 is about 356.8766610155.

The spelling of 45452151 in words is "forty-five million, four hundred fifty-two thousand, one hundred fifty-one".