158401552 has 40 divisors (see below), whose sum is σ = 321765120. Its totient is φ = 75398400.

The previous prime is 158401549. The next prime is 158401553. The reversal of 158401552 is 255104851.

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (158401553) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 87052 + ... + 88852.

It is an arithmetic number, because the mean of its divisors is an integer number (8044128).

Almost surely, 2^158401552 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 158401552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (160882560).

158401552 is an abundant number, since it is smaller than the sum of its proper divisors (163363568).

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

158401552 is a wasteful number, since it uses less digits than its factorization.

158401552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2071 (or 2065 counting only the distinct ones).

The product of its (nonzero) digits is 8000, while the sum is 31.

The square root of 158401552 is about 12585.7678351382. The cubic root of 158401552 is about 541.0696129172.

The spelling of 158401552 in words is "one hundred fifty-eight million, four hundred one thousand, five hundred fifty-two".