242045154 has 24 divisors (see below), whose sum is σ = 564772572. Its totient is φ = 74475360.

The previous prime is 242045147. The next prime is 242045189. The reversal of 242045154 is 451540242.

242045154 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 206583129 + 35462025 = 14373^2 + 5955^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 516957 + ... + 517424.

Almost surely, 2^242045154 is an apocalyptic number.

242045154 is an abundant number, since it is smaller than the sum of its proper divisors (322727418).

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

242045154 is a wasteful number, since it uses less digits than its factorization.

242045154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1034402 (or 1034399 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 27.

The square root of 242045154 is about 15557.8004229390. The cubic root of 242045154 is about 623.2067243275.

Adding to 242045154 its reverse (451540242), we get a palindrome (693585396).

It can be divided in two parts, 2420 and 45154, that added together give a palindrome (47574).

The spelling of 242045154 in words is "two hundred forty-two million, forty-five thousand, one hundred fifty-four".