151942238 has 12 divisors (see below), whose sum is σ = 265123872. Its totient is φ = 65118060.

The previous prime is 151942199. The next prime is 151942261. The reversal of 151942238 is 832249151.

151942238 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 151942198 and 151942207.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 775118 + ... + 775313.

It is an arithmetic number, because the mean of its divisors is an integer number (22093656).

Almost surely, 2^151942238 is an apocalyptic number.

151942238 is a deficient number, since it is larger than the sum of its proper divisors (113181634).

151942238 is a wasteful number, since it uses less digits than its factorization.

151942238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1550447 (or 1550440 counting only the distinct ones).

The product of its digits is 17280, while the sum is 35.

The square root of 151942238 is about 12326.4852249131. The cubic root of 151942238 is about 533.6127193302.

The spelling of 151942238 in words is "one hundred fifty-one million, nine hundred forty-two thousand, two hundred thirty-eight".