158472641 has 2 divisors, whose sum is σ = 158472642. Its totient is φ = 158472640.

The previous prime is 158472551. The next prime is 158472653. The reversal of 158472641 is 146274851.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 113529025 + 44943616 = 10655^2 + 6704^2 .

It is a cyclic number.

It is not a de Polignac number, because 158472641 - 2¹⁸ = 158210497 is a prime.

It is a super-2 number, since 2×158472641² = 50227155891029762, which contains 22 as substring.

It is equal to p_8893622 and since 158472641 and 8893622 have the same sum of digits, it is a Honaker prime.

It is a junction number, because it is equal to n+sod(n) for n = 158472595 and 158472604.

It is not a weakly prime, because it can be changed into another prime (158472541) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 79236320 + 79236321.

It is an arithmetic number, because the mean of its divisors is an integer number (79236321).

Almost surely, 2^158472641 is an apocalyptic number.

It is an amenable number.

158472641 is a deficient number, since it is larger than the sum of its proper divisors (1).

158472641 is an equidigital number, since it uses as much as digits as its factorization.

158472641 is an evil number, because the sum of its binary digits is even.

The product of its digits is 53760, while the sum is 38.

The square root of 158472641 is about 12588.5917004246. The cubic root of 158472641 is about 541.1505429851.

The spelling of 158472641 in words is "one hundred fifty-eight million, four hundred seventy-two thousand, six hundred forty-one".