158045207401 has 3 divisors (see below), whose sum is σ = 158045604951. Its totient is φ = 158044809852.

The previous prime is 158045207387. The next prime is 158045207423. The reversal of 158045207401 is 104702540851.

The square root of 158045207401 is 397549.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in only one way, i.e., 134174957401 + 23870250000 = 366299^2 + 154500^2 .

It is not a de Polignac number, because 158045207401 - 2⁹ = 158045206889 is a prime.

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (158045207701) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 198775 + ... + 596323.

It is an arithmetic number, because the mean of its divisors is an integer number (52681868317).

Almost surely, 2^158045207401 is an apocalyptic number.

158045207401 is the 397549-th square number.

158045207401 is the 198775-th centered octagonal number.

It is an amenable number.

158045207401 is a deficient number, since it is larger than the sum of its proper divisors (397550).

158045207401 is an frugal number, since it uses more digits than its factorization.

158045207401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 795098 (or 397549 counting only the distinct ones).

The product of its (nonzero) digits is 44800, while the sum is 37.

The spelling of 158045207401 in words is "one hundred fifty-eight billion, forty-five million, two hundred seven thousand, four hundred one".