45155537 has 16 divisors (see below), whose sum is σ = 52910592. Its totient is φ = 37739520.

The previous prime is 45155507. The next prime is 45155563. The reversal of 45155537 is 73555154.

It is not a de Polignac number, because 45155537 - 2¹⁰ = 45154513 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 45155497 and 45155506.

It is not an unprimeable number, because it can be changed into a prime (45155507) 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, 49112 + ... + 50022.

It is an arithmetic number, because the mean of its divisors is an integer number (3306912).

Almost surely, 2^45155537 is an apocalyptic number.

It is an amenable number.

45155537 is a deficient number, since it is larger than the sum of its proper divisors (7755055).

45155537 is an equidigital number, since it uses as much as digits as its factorization.

45155537 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1088.

The product of its digits is 52500, while the sum is 35.

The square root of 45155537 is about 6719.7869757902. The cubic root of 45155537 is about 356.0986581128.

The spelling of 45155537 in words is "forty-five million, one hundred fifty-five thousand, five hundred thirty-seven".