154540332 has 72 divisors (see below), whose sum is σ = 414279600. Its totient is φ = 49818240.

The previous prime is 154540327. The next prime is 154540349. The reversal of 154540332 is 233045451.

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

It is a junction number, because it is equal to n+sod(n) for n = 154540296 and 154540305.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 103044 + ... + 104532.

Almost surely, 2^154540332 is an apocalyptic number.

154540332 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 154540332, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (207139800).

154540332 is an abundant number, since it is smaller than the sum of its proper divisors (259739268).

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

154540332 is a wasteful number, since it uses less digits than its factorization.

154540332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1564 (or 1525 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

The square root of 154540332 is about 12431.4251797612. The cubic root of 154540332 is about 536.6370007049.

Adding to 154540332 its reverse (233045451), we get a palindrome (387585783).

The spelling of 154540332 in words is "one hundred fifty-four million, five hundred forty thousand, three hundred thirty-two".