242152770 has 32 divisors (see below), whose sum is σ = 586605888. Its totient is φ = 63969728.

The previous prime is 242152769. The next prime is 242152783. The reversal of 242152770 is 77251242.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34509 + ... + 40928.

It is an arithmetic number, because the mean of its divisors is an integer number (18331434).

Almost surely, 2^242152770 is an apocalyptic number.

242152770 is an abundant number, since it is smaller than the sum of its proper divisors (344453118).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

242152770 is a wasteful number, since it uses less digits than its factorization.

242152770 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75554.

The product of its (nonzero) digits is 7840, while the sum is 30.

The square root of 242152770 is about 15561.2586251884. The cubic root of 242152770 is about 623.2990722174.

The spelling of 242152770 in words is "two hundred forty-two million, one hundred fifty-two thousand, seven hundred seventy".