157401018 has 24 divisors (see below), whose sum is σ = 341322228. Its totient is φ = 52422912.

The previous prime is 157400993. The next prime is 157401047. The reversal of 157401018 is 810104751.

It can be written as a sum of positive squares in 2 ways, for example, as 123143409 + 34257609 = 11097^2 + 5853^2 .

It is a super-3 number, since 3×157401018³ (a number of 26 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 157400982 and 157401000.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 23946 + ... + 29802.

Almost surely, 2^157401018 is an apocalyptic number.

157401018 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

157401018 is an abundant number, since it is smaller than the sum of its proper divisors (183921210).

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

157401018 is a wasteful number, since it uses less digits than its factorization.

157401018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7358 (or 7355 counting only the distinct ones).

The product of its (nonzero) digits is 1120, while the sum is 27.

The square root of 157401018 is about 12545.9562409567. The cubic root of 157401018 is about 539.9279945142.

Adding to 157401018 its reverse (810104751), we get a palindrome (967505769).

The spelling of 157401018 in words is "one hundred fifty-seven million, four hundred one thousand, eighteen".