15455132 has 72 divisors (see below), whose sum is σ = 35844480. Its totient is φ = 5663520.

The previous prime is 15455131. The next prime is 15455137. The reversal of 15455132 is 23155451.

It is a super-2 number, since 2×15455132² = 477722210274848, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15455131) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 111119 + ... + 111257.

It is an arithmetic number, because the mean of its divisors is an integer number (497840).

Almost surely, 2^15455132 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 15455132, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17922240).

15455132 is an abundant number, since it is smaller than the sum of its proper divisors (20389348).

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

15455132 is a wasteful number, since it uses less digits than its factorization.

15455132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 199 (or 178 counting only the distinct ones).

The product of its digits is 3000, while the sum is 26.

The square root of 15455132 is about 3931.3015656396. The cubic root of 15455132 is about 249.0907342861.

The spelling of 15455132 in words is "fifteen million, four hundred fifty-five thousand, one hundred thirty-two".