157978289150 has 24 divisors (see below), whose sum is σ = 320552311464. Its totient is φ = 57446650400.

The previous prime is 157978289101. The next prime is 157978289153. The reversal of 157978289150 is 51982879751.

It is a super-2 number, since 2×157978289150² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157978289153) 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, 143616077 + ... + 143617176.

It is an arithmetic number, because the mean of its divisors is an integer number (13356346311).

Almost surely, 2^157978289150 is an apocalyptic number.

157978289150 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

157978289150 is an abundant number, since it is smaller than the sum of its proper divisors (162574022314).

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

157978289150 is a wasteful number, since it uses less digits than its factorization.

157978289150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 287233276 (or 287233271 counting only the distinct ones).

The product of its (nonzero) digits is 12700800, while the sum is 62.

The spelling of 157978289150 in words is "one hundred fifty-seven billion, nine hundred seventy-eight million, two hundred eighty-nine thousand, one hundred fifty".