157001930 has 8 divisors (see below), whose sum is σ = 282603492. Its totient is φ = 62800768.

The previous prime is 157001917. The next prime is 157001939. The reversal of 157001930 is 39100751.

157001930 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 147161161 + 9840769 = 12131^2 + 3137^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 157001930.

It is not an unprimeable number, because it can be changed into a prime (157001939) 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, 7850087 + ... + 7850106.

Almost surely, 2^157001930 is an apocalyptic number.

157001930 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

157001930 is a deficient number, since it is larger than the sum of its proper divisors (125601562).

157001930 is a wasteful number, since it uses less digits than its factorization.

157001930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15700200.

The product of its (nonzero) digits is 945, while the sum is 26.

The square root of 157001930 is about 12530.0411012893. The cubic root of 157001930 is about 539.4712817652.

The spelling of 157001930 in words is "one hundred fifty-seven million, one thousand, nine hundred thirty".