242578152 has 48 divisors (see below), whose sum is σ = 681320640. Its totient is φ = 80858736.

The previous prime is 242578129. The next prime is 242578153. The reversal of 242578152 is 251875242.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (242578153) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 60448 + ... + 64335.

It is an arithmetic number, because the mean of its divisors is an integer number (14194180).

Almost surely, 2^242578152 is an apocalyptic number.

It is an amenable number.

242578152 is an abundant number, since it is smaller than the sum of its proper divisors (438742488).

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

242578152 is a wasteful number, since it uses less digits than its factorization.

242578152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124804 (or 124788 counting only the distinct ones).

The product of its digits is 44800, while the sum is 36.

The square root of 242578152 is about 15574.9206097495. The cubic root of 242578152 is about 623.6638352041.

The spelling of 242578152 in words is "two hundred forty-two million, five hundred seventy-eight thousand, one hundred fifty-two".