45154855 has 4 divisors (see below), whose sum is σ = 54185832. Its totient is φ = 36123880.

The previous prime is 45154841. The next prime is 45154861. The reversal of 45154855 is 55845154.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 55845154 = 2 ⋅27922577.

It is not a de Polignac number, because 45154855 - 2¹⁵ = 45122087 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4515481 + ... + 4515490.

It is an arithmetic number, because the mean of its divisors is an integer number (13546458).

Almost surely, 2^45154855 is an apocalyptic number.

45154855 is a deficient number, since it is larger than the sum of its proper divisors (9030977).

45154855 is an equidigital number, since it uses as much as digits as its factorization.

45154855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9030976.

The product of its digits is 80000, while the sum is 37.

The square root of 45154855 is about 6719.7362299424. The cubic root of 45154855 is about 356.0968653425.

The spelling of 45154855 in words is "forty-five million, one hundred fifty-four thousand, eight hundred fifty-five".