149071238 has 8 divisors (see below), whose sum is σ = 224842800. Its totient is φ = 74123640.

The previous prime is 149071217. The next prime is 149071243. The reversal of 149071238 is 832170941.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 149071198 and 149071207.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 205538 + ... + 206261.

It is an arithmetic number, because the mean of its divisors is an integer number (28105350).

Almost surely, 2^149071238 is an apocalyptic number.

149071238 is a deficient number, since it is larger than the sum of its proper divisors (75771562).

149071238 is a wasteful number, since it uses less digits than its factorization.

149071238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 411982.

The product of its (nonzero) digits is 12096, while the sum is 35.

The square root of 149071238 is about 12209.4732892128. The cubic root of 149071238 is about 530.2303946694.

The spelling of 149071238 in words is "one hundred forty-nine million, seventy-one thousand, two hundred thirty-eight".