158345552 has 10 divisors (see below), whose sum is σ = 306794538. Its totient is φ = 79172768.

The previous prime is 158345513. The next prime is 158345581. The reversal of 158345552 is 255543851.

It can be written as a sum of positive squares in only one way, i.e., 153165376 + 5180176 = 12376^2 + 2276^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4948283 + ... + 4948314.

Almost surely, 2^158345552 is an apocalyptic number.

It is an amenable number.

158345552 is a deficient number, since it is larger than the sum of its proper divisors (148448986).

158345552 is an equidigital number, since it uses as much as digits as its factorization.

158345552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9896605 (or 9896599 counting only the distinct ones).

The product of its digits is 120000, while the sum is 38.

The square root of 158345552 is about 12583.5429033321. The cubic root of 158345552 is about 541.0058436142.

The spelling of 158345552 in words is "one hundred fifty-eight million, three hundred forty-five thousand, five hundred fifty-two".