54152145 has 20 divisors (see below), whose sum is σ = 97073460. Its totient is φ = 28880928.

The previous prime is 54152141. The next prime is 54152171. The reversal of 54152145 is 54125145.

It can be written as a sum of positive squares in 2 ways, for example, as 40602384 + 13549761 = 6372^2 + 3681^2 .

It is not a de Polignac number, because 54152145 - 2² = 54152141 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (54152141) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 66450 + ... + 67259.

It is an arithmetic number, because the mean of its divisors is an integer number (4853673).

Almost surely, 2^54152145 is an apocalyptic number.

It is an amenable number.

54152145 is a deficient number, since it is larger than the sum of its proper divisors (42921315).

54152145 is a wasteful number, since it uses less digits than its factorization.

54152145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133726 (or 133717 counting only the distinct ones).

The product of its digits is 4000, while the sum is 27.

The square root of 54152145 is about 7358.8141028293. The cubic root of 54152145 is about 378.3309648572.

Subtracting from 54152145 its reverse (54125145), we obtain a cube (27000 = 30³).

The spelling of 54152145 in words is "fifty-four million, one hundred fifty-two thousand, one hundred forty-five".