154522152 has 24 divisors (see below), whose sum is σ = 418497690. Its totient is φ = 51507360.

The previous prime is 154522141. The next prime is 154522157. The reversal of 154522152 is 251225451.

It can be written as a sum of positive squares in only one way, i.e., 101727396 + 52794756 = 10086^2 + 7266^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is a super-2 number, since 2×154522152² = 47754190917422208, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (154522157) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1072999 + ... + 1073142.

Almost surely, 2^154522152 is an apocalyptic number.

154522152 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

154522152 is an abundant number, since it is smaller than the sum of its proper divisors (263975538).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

154522152 is a wasteful number, since it uses less digits than its factorization.

154522152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2146153 (or 2146146 counting only the distinct ones).

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

The square root of 154522152 is about 12430.6939468398. The cubic root of 154522152 is about 536.6159566984.

It can be divided in two parts, 154 and 522152, that multiplied together give a palindrome (80411408).

The spelling of 154522152 in words is "one hundred fifty-four million, five hundred twenty-two thousand, one hundred fifty-two".