149751732238 has 4 divisors (see below), whose sum is σ = 224627598360. Its totient is φ = 74875866118.

The previous prime is 149751732211. The next prime is 149751732281. The reversal of 149751732238 is 832237157941.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37437933058 + ... + 37437933061.

It is an arithmetic number, because the mean of its divisors is an integer number (56156899590).

Almost surely, 2^149751732238 is an apocalyptic number.

149751732238 is a deficient number, since it is larger than the sum of its proper divisors (74875866122).

149751732238 is an equidigital number, since it uses as much as digits as its factorization.

149751732238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74875866121.

The product of its digits is 2540160, while the sum is 52.

The spelling of 149751732238 in words is "one hundred forty-nine billion, seven hundred fifty-one million, seven hundred thirty-two thousand, two hundred thirty-eight".