45120375 has 64 divisors (see below), whose sum is σ = 86486400. Its totient is φ = 23184000.

The previous prime is 45120371. The next prime is 45120379. The reversal of 45120375 is 57302154.

It is a happy number.

45120375 is a `hidden beast` number, since 451 + 203 + 7 + 5 = 666.

It is an interprime number because it is at equal distance from previous prime (45120371) and next prime (45120379).

It is not a de Polignac number, because 45120375 - 2² = 45120371 is a prime.

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 (45120371) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 97645 + ... + 98105.

It is an arithmetic number, because the mean of its divisors is an integer number (1351350).

Almost surely, 2^45120375 is an apocalyptic number.

45120375 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

45120375 is a deficient number, since it is larger than the sum of its proper divisors (41366025).

45120375 is a wasteful number, since it uses less digits than its factorization.

45120375 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 514 (or 498 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 27.

The square root of 45120375 is about 6717.1701630970. The cubic root of 45120375 is about 356.0062043905.

The spelling of 45120375 in words is "forty-five million, one hundred twenty thousand, three hundred seventy-five".