153072442 has 8 divisors (see below), whose sum is σ = 229763232. Its totient is φ = 76484700.

The previous prime is 153072431. The next prime is 153072473. The reversal of 153072442 is 244270351.

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

It is a self number, because there is not a number n which added to its sum of digits gives 153072442.

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, 21934 + ... + 28057.

It is an arithmetic number, because the mean of its divisors is an integer number (28720404).

Almost surely, 2^153072442 is an apocalyptic number.

153072442 is a deficient number, since it is larger than the sum of its proper divisors (76690790).

153072442 is a wasteful number, since it uses less digits than its factorization.

153072442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51524.

The product of its (nonzero) digits is 6720, while the sum is 28.

The square root of 153072442 is about 12372.2448246064. The cubic root of 153072442 is about 534.9325235888.

The spelling of 153072442 in words is "one hundred fifty-three million, seventy-two thousand, four hundred forty-two".