153738994 has 8 divisors (see below), whose sum is σ = 242745840. Its totient is φ = 72823716.

The previous prime is 153738979. The next prime is 153739043. The reversal of 153738994 is 499837351.

153738994 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is a super-2 number, since 2×153738994² = 47271356552264072, which contains 22 as substring.

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, 2022844 + ... + 2022919.

It is an arithmetic number, because the mean of its divisors is an integer number (30343230).

Almost surely, 2^153738994 is an apocalyptic number.

153738994 is a deficient number, since it is larger than the sum of its proper divisors (89006846).

153738994 is a wasteful number, since it uses less digits than its factorization.

153738994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4045784.

The product of its digits is 816480, while the sum is 49.

The square root of 153738994 is about 12399.1529549401. The cubic root of 153738994 is about 535.7078515782.

The spelling of 153738994 in words is "one hundred fifty-three million, seven hundred thirty-eight thousand, nine hundred ninety-four".