148974047 has 2 divisors, whose sum is σ = 148974048. Its totient is φ = 148974046.

The previous prime is 148974019. The next prime is 148974061. The reversal of 148974047 is 740479841.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-148974047 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 148973989 and 148974007.

It is a congruent number.

It is a weakly prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74487023 + 74487024.

It is an arithmetic number, because the mean of its divisors is an integer number (74487024).

Almost surely, 2^148974047 is an apocalyptic number.

148974047 is a deficient number, since it is larger than the sum of its proper divisors (1).

148974047 is an equidigital number, since it uses as much as digits as its factorization.

148974047 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 225792, while the sum is 44.

The square root of 148974047 is about 12205.4924931360. The cubic root of 148974047 is about 530.1151369652.

The spelling of 148974047 in words is "one hundred forty-eight million, nine hundred seventy-four thousand, forty-seven".