154452132 has 18 divisors (see below), whose sum is σ = 390420758. Its totient is φ = 51484032.

The previous prime is 154452091. The next prime is 154452139. The reversal of 154452132 is 231254451.

154452132 is a `hidden beast` number, since 1 + 5 + 445 + 213 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 154405476 + 46656 = 12426^2 + 216^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a super-2 number, since 2×154452132² = 47710922158690848, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 154452096 and 154452105.

It is not an unprimeable number, because it can be changed into a prime (154452139) 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, 2145133 + ... + 2145204.

Almost surely, 2^154452132 is an apocalyptic number.

154452132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

154452132 is an abundant number, since it is smaller than the sum of its proper divisors (235968626).

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

154452132 is a wasteful number, since it uses less digits than its factorization.

154452132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4290347 (or 4290342 counting only the distinct ones).

The product of its digits is 4800, while the sum is 27.

The square root of 154452132 is about 12427.8772121388. The cubic root of 154452132 is about 536.5348905953.

The spelling of 154452132 in words is "one hundred fifty-four million, four hundred fifty-two thousand, one hundred thirty-two".