158225652 has 72 divisors (see below), whose sum is σ = 433771520. Its totient is φ = 48340800.

The previous prime is 158225629. The next prime is 158225657. The reversal of 158225652 is 256522851.

It is a happy number.

158225652 is a `hidden beast` number, since 1 + 582 + 25 + 6 + 52 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (158225657) 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, 69549 + ... + 71787.

Almost surely, 2^158225652 is an apocalyptic number.

158225652 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 158225652, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (216885760).

158225652 is an abundant number, since it is smaller than the sum of its proper divisors (275545868).

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

158225652 is a wasteful number, since it uses less digits than its factorization.

158225652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2413 (or 2408 counting only the distinct ones).

The product of its digits is 48000, while the sum is 36.

The square root of 158225652 is about 12578.7778420640. Note that the first 3 decimals coincide. The cubic root of 158225652 is about 540.8692584073.

The spelling of 158225652 in words is "one hundred fifty-eight million, two hundred twenty-five thousand, six hundred fifty-two".