147492971 has 2 divisors, whose sum is σ = 147492972. Its totient is φ = 147492970.

The previous prime is 147492959. The next prime is 147493007. The reversal of 147492971 is 179294741.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 147492971 - 2⁶ = 147492907 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (147497971) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73746485 + 73746486.

It is an arithmetic number, because the mean of its divisors is an integer number (73746486).

Almost surely, 2^147492971 is an apocalyptic number.

147492971 is a deficient number, since it is larger than the sum of its proper divisors (1).

147492971 is an equidigital number, since it uses as much as digits as its factorization.

147492971 is an evil number, because the sum of its binary digits is even.

The product of its digits is 127008, while the sum is 44.

The square root of 147492971 is about 12144.6684186930. The cubic root of 147492971 is about 528.3525096174.

The spelling of 147492971 in words is "one hundred forty-seven million, four hundred ninety-two thousand, nine hundred seventy-one".