148798739 has 16 divisors (see below), whose sum is σ = 164488320. Its totient is φ = 133969920.

The previous prime is 148798723. The next prime is 148798763. The reversal of 148798739 is 937897841.

It is a cyclic number.

It is not a de Polignac number, because 148798739 - 2⁴ = 148798723 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (148798439) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 54374 + ... + 57044.

It is an arithmetic number, because the mean of its divisors is an integer number (10280520).

Almost surely, 2^148798739 is an apocalyptic number.

148798739 is a deficient number, since it is larger than the sum of its proper divisors (15689581).

148798739 is a wasteful number, since it uses less digits than its factorization.

148798739 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2830.

The product of its digits is 3048192, while the sum is 56.

The square root of 148798739 is about 12198.3088581983. The cubic root of 148798739 is about 529.9071143737.

The spelling of 148798739 in words is "one hundred forty-eight million, seven hundred ninety-eight thousand, seven hundred thirty-nine".