45251235 has 24 divisors (see below), whose sum is σ = 81847584. Its totient is φ = 23084160.

The previous prime is 45251231. The next prime is 45251257. The reversal of 45251235 is 53215254.

It is a happy number.

It is not a de Polignac number, because 45251235 - 2² = 45251231 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 45251199 and 45251208.

It is not an unprimeable number, because it can be changed into a prime (45251231) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 20826 + ... + 22895.

It is an arithmetic number, because the mean of its divisors is an integer number (3410316).

Almost surely, 2^45251235 is an apocalyptic number.

45251235 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

45251235 is a deficient number, since it is larger than the sum of its proper divisors (36596349).

45251235 is a wasteful number, since it uses less digits than its factorization.

45251235 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43755 (or 43752 counting only the distinct ones).

The product of its digits is 6000, while the sum is 27.

The square root of 45251235 is about 6726.9038197376. The cubic root of 45251235 is about 356.3500402333.

Adding to 45251235 its reverse (53215254), we get a palindrome (98466489).

The spelling of 45251235 in words is "forty-five million, two hundred fifty-one thousand, two hundred thirty-five".