153155510242 has 24 divisors (see below), whose sum is σ = 269995813164. Its totient is φ = 64961390592.

The previous prime is 153155510143. The next prime is 153155510281. The reversal of 153155510242 is 242015551351.

It can be written as a sum of positive squares in 2 ways, for example, as 146542730481 + 6612779761 = 382809^2 + 81319^2 .

It is a super-2 number, since 2×153155510242² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 153155510198 and 153155510207.

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, 8046223 + ... + 8065234.

Almost surely, 2^153155510242 is an apocalyptic number.

153155510242 is a deficient number, since it is larger than the sum of its proper divisors (116840302922).

153155510242 is a wasteful number, since it uses less digits than its factorization.

153155510242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16111570 (or 16111563 counting only the distinct ones).

The product of its (nonzero) digits is 30000, while the sum is 34.

The spelling of 153155510242 in words is "one hundred fifty-three billion, one hundred fifty-five million, five hundred ten thousand, two hundred forty-two".