45511351 has 4 divisors (see below), whose sum is σ = 45572704. Its totient is φ = 45450000.

The previous prime is 45511343. The next prime is 45511357. The reversal of 45511351 is 15311554.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 15311554 = 2 ⋅7655777.

It is a cyclic number.

It is not a de Polignac number, because 45511351 - 2³ = 45511343 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 (45511357) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29550 + ... + 31051.

It is an arithmetic number, because the mean of its divisors is an integer number (11393176).

Almost surely, 2^45511351 is an apocalyptic number.

45511351 is a deficient number, since it is larger than the sum of its proper divisors (61353).

45511351 is an equidigital number, since it uses as much as digits as its factorization.

45511351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61352.

The product of its digits is 1500, while the sum is 25.

The square root of 45511351 is about 6746.2101212459. The cubic root of 45511351 is about 357.0315340122.

The spelling of 45511351 in words is "forty-five million, five hundred eleven thousand, three hundred fifty-one".