148438658494 has 32 divisors (see below), whose sum is σ = 258839919360. Its totient is φ = 62523662208.

The previous prime is 148438658471. The next prime is 148438658497. The reversal of 148438658494 is 494856834841.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (148438658497) 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, 3960189 + ... + 3997495.

It is an arithmetic number, because the mean of its divisors is an integer number (8088747480).

Almost surely, 2^148438658494 is an apocalyptic number.

148438658494 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

148438658494 is a deficient number, since it is larger than the sum of its proper divisors (110401260866).

148438658494 is a wasteful number, since it uses less digits than its factorization.

148438658494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42192.

The product of its digits is 106168320, while the sum is 64.

The spelling of 148438658494 in words is "one hundred forty-eight billion, four hundred thirty-eight million, six hundred fifty-eight thousand, four hundred ninety-four".