149792551 has 2 divisors, whose sum is σ = 149792552. Its totient is φ = 149792550.

The previous prime is 149792519. The next prime is 149792567. The reversal of 149792551 is 155297941.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 149792551 - 2⁵ = 149792519 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 149792498 and 149792507.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (149792501) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74896275 + 74896276.

It is an arithmetic number, because the mean of its divisors is an integer number (74896276).

Almost surely, 2^149792551 is an apocalyptic number.

149792551 is a deficient number, since it is larger than the sum of its proper divisors (1).

149792551 is an equidigital number, since it uses as much as digits as its factorization.

149792551 is an evil number, because the sum of its binary digits is even.

The product of its digits is 113400, while the sum is 43.

The square root of 149792551 is about 12238.9767137617. The cubic root of 149792551 is about 531.0842299675.

The spelling of 149792551 in words is "one hundred forty-nine million, seven hundred ninety-two thousand, five hundred fifty-one".