45227025 has 24 divisors (see below), whose sum is σ = 83084960. Its totient is φ = 24120720.

The previous prime is 45227023. The next prime is 45227029. The reversal of 45227025 is 52072254.

It is not a de Polignac number, because 45227025 - 2¹ = 45227023 is a prime.

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

It is a self number, because there is not a number n which added to its sum of digits gives 45227025.

It is not an unprimeable number, because it can be changed into a prime (45227023) 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, 32827 + ... + 34176.

Almost surely, 2^45227025 is an apocalyptic number.

45227025 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

45227025 is a deficient number, since it is larger than the sum of its proper divisors (37857935).

45227025 is a wasteful number, since it uses less digits than its factorization.

45227025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67022 (or 67011 counting only the distinct ones).

The product of its (nonzero) digits is 5600, while the sum is 27.

The square root of 45227025 is about 6725.1040884138. The cubic root of 45227025 is about 356.2864782591.

Adding to 45227025 its reverse (52072254), we get a palindrome (97299279).

The spelling of 45227025 in words is "forty-five million, two hundred twenty-seven thousand, twenty-five".