157026340 has 12 divisors (see below), whose sum is σ = 329755356. Its totient is φ = 62810528.

The previous prime is 157026319. The next prime is 157026341. The reversal of 157026340 is 43620751.

It can be written as a sum of positive squares in 2 ways, for example, as 35497764 + 121528576 = 5958^2 + 11024^2 .

It is a junction number, because it is equal to n+sod(n) for n = 157026299 and 157026308.

It is not an unprimeable number, because it can be changed into a prime (157026341) 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, 3925639 + ... + 3925678.

It is an arithmetic number, because the mean of its divisors is an integer number (27479613).

Almost surely, 2^157026340 is an apocalyptic number.

157026340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

157026340 is an abundant number, since it is smaller than the sum of its proper divisors (172729016).

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

157026340 is a wasteful number, since it uses less digits than its factorization.

157026340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7851326 (or 7851324 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 28.

The square root of 157026340 is about 12531.0151224871. The cubic root of 157026340 is about 539.4992385586.

The spelling of 157026340 in words is "one hundred fifty-seven million, twenty-six thousand, three hundred forty".