148564739 has 2 divisors, whose sum is σ = 148564740. Its totient is φ = 148564738.

The previous prime is 148564733. The next prime is 148564747. The reversal of 148564739 is 937465841.

148564739 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 a cyclic number.

It is not a de Polignac number, because 148564739 - 2⁸ = 148564483 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 148564693 and 148564702.

It is not a weakly prime, because it can be changed into another prime (148564733) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74282369 + 74282370.

It is an arithmetic number, because the mean of its divisors is an integer number (74282370).

Almost surely, 2^148564739 is an apocalyptic number.

148564739 is a deficient number, since it is larger than the sum of its proper divisors (1).

148564739 is an equidigital number, since it uses as much as digits as its factorization.

148564739 is an evil number, because the sum of its binary digits is even.

The product of its digits is 725760, while the sum is 47.

The square root of 148564739 is about 12188.7135908594. The cubic root of 148564739 is about 529.6291923920.

The spelling of 148564739 in words is "one hundred forty-eight million, five hundred sixty-four thousand, seven hundred thirty-nine".