158920052 has 6 divisors (see below), whose sum is σ = 278110098. Its totient is φ = 79460024.

The previous prime is 158920037. The next prime is 158920057. The reversal of 158920052 is 250029851.

It can be written as a sum of positive squares in only one way, i.e., 158407396 + 512656 = 12586^2 + 716^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (158920057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19865003 + ... + 19865010.

It is an arithmetic number, because the mean of its divisors is an integer number (46351683).

Almost surely, 2^158920052 is an apocalyptic number.

It is an amenable number.

158920052 is a deficient number, since it is larger than the sum of its proper divisors (119190046).

158920052 is a wasteful number, since it uses less digits than its factorization.

158920052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39730017 (or 39730015 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 32.

The square root of 158920052 is about 12606.3496699084. The cubic root of 158920052 is about 541.6593357693.

The spelling of 158920052 in words is "one hundred fifty-eight million, nine hundred twenty thousand, fifty-two".