158472551 has 2 divisors, whose sum is σ = 158472552. Its totient is φ = 158472550.

The previous prime is 158472541. The next prime is 158472641. The reversal of 158472551 is 155274851.

158472551 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is an emirp because it is prime and its reverse (155274851) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 158472551 - 2¹⁰ = 158471527 is a prime.

It is a super-2 number, since 2×158472551² = 50227098840895202, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (158472511) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 79236275 + 79236276.

It is an arithmetic number, because the mean of its divisors is an integer number (79236276).

Almost surely, 2^158472551 is an apocalyptic number.

158472551 is a deficient number, since it is larger than the sum of its proper divisors (1).

158472551 is an equidigital number, since it uses as much as digits as its factorization.

158472551 is an evil number, because the sum of its binary digits is even.

The product of its digits is 56000, while the sum is 38.

The square root of 158472551 is about 12588.5881257590. The cubic root of 158472551 is about 541.1504405414.

The spelling of 158472551 in words is "one hundred fifty-eight million, four hundred seventy-two thousand, five hundred fifty-one".