158528240742 has 32 divisors (see below), whose sum is σ = 337048081920. Its totient is φ = 49565887200.

The previous prime is 158528240707. The next prime is 158528240777. The reversal of 158528240742 is 247042825851.

It is an interprime number because it is at equal distance from previous prime (158528240707) and next prime (158528240777).

It is a super-2 number, since 2×158528240742² (a number of 23 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 158528240691 and 158528240700.

It is a congruent number.

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, 6872638 + ... + 6895665.

It is an arithmetic number, because the mean of its divisors is an integer number (10532752560).

Almost surely, 2^158528240742 is an apocalyptic number.

158528240742 is an abundant number, since it is smaller than the sum of its proper divisors (178519841178).

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

158528240742 is a wasteful number, since it uses less digits than its factorization.

158528240742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13768428.

The product of its (nonzero) digits is 1433600, while the sum is 48.

The spelling of 158528240742 in words is "one hundred fifty-eight billion, five hundred twenty-eight million, two hundred forty thousand, seven hundred forty-two".