156422993530 has 8 divisors (see below), whose sum is σ = 281561388372. Its totient is φ = 62569197408.

The previous prime is 156422993437. The next prime is 156422993533. The reversal of 156422993530 is 35399224651.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 134910024601 + 21512968929 = 367301^2 + 146673^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (156422993533) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7821149667 + ... + 7821149686.

Almost surely, 2^156422993530 is an apocalyptic number.

156422993530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

156422993530 is a deficient number, since it is larger than the sum of its proper divisors (125138394842).

156422993530 is a wasteful number, since it uses less digits than its factorization.

156422993530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15642299360.

The product of its (nonzero) digits is 1749600, while the sum is 49.

The spelling of 156422993530 in words is "one hundred fifty-six billion, four hundred twenty-two million, nine hundred ninety-three thousand, five hundred thirty".