54155145 has 16 divisors (see below), whose sum is σ = 94525632. Its totient is φ = 26256960.

The previous prime is 54155131. The next prime is 54155147.

54155145 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 54155145 - 2¹⁸ = 53893001 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (54155147) 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, 163942 + ... + 164271.

It is an arithmetic number, because the mean of its divisors is an integer number (5907852).

Almost surely, 2^54155145 is an apocalyptic number.

54155145 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

54155145 is a deficient number, since it is larger than the sum of its proper divisors (40370487).

54155145 is a wasteful number, since it uses less digits than its factorization.

54155145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 328232.

The product of its digits is 10000, while the sum is 30.

The square root of 54155145 is about 7359.0179371979. The cubic root of 54155145 is about 378.3379511728.

The spelling of 54155145 in words is "fifty-four million, one hundred fifty-five thousand, one hundred forty-five".