54012145 has 32 divisors (see below), whose sum is σ = 76173696. Its totient is φ = 36326400.

The previous prime is 54012139. The next prime is 54012151. The reversal of 54012145 is 54121045.

It is an interprime number because it is at equal distance from previous prime (54012139) and next prime (54012151).

It is not a de Polignac number, because 54012145 - 2⁷ = 54012017 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 56562 + ... + 57508.

It is an arithmetic number, because the mean of its divisors is an integer number (2380428).

Almost surely, 2^54012145 is an apocalyptic number.

54012145 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

54012145 is a deficient number, since it is larger than the sum of its proper divisors (22161551).

54012145 is a wasteful number, since it uses less digits than its factorization.

54012145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1041.

The product of its (nonzero) digits is 800, while the sum is 22.

The square root of 54012145 is about 7349.2955444723. The cubic root of 54012145 is about 378.0046494020.

Subtracting 54012145 from its reverse (54121045), we obtain a square (108900 = 330²).

The spelling of 54012145 in words is "fifty-four million, twelve thousand, one hundred forty-five".