149892623 has 2 divisors, whose sum is σ = 149892624. Its totient is φ = 149892622.

The previous prime is 149892607. The next prime is 149892629. The reversal of 149892623 is 326298941.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 149892623 - 2⁴ = 149892607 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (149892629) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74946311 + 74946312.

It is an arithmetic number, because the mean of its divisors is an integer number (74946312).

Almost surely, 2^149892623 is an apocalyptic number.

149892623 is a deficient number, since it is larger than the sum of its proper divisors (1).

149892623 is an equidigital number, since it uses as much as digits as its factorization.

149892623 is an evil number, because the sum of its binary digits is even.

The product of its digits is 186624, while the sum is 44.

The square root of 149892623 is about 12243.0642814616. The cubic root of 149892623 is about 531.2024708943.

The spelling of 149892623 in words is "one hundred forty-nine million, eight hundred ninety-two thousand, six hundred twenty-three".