157351830 has 48 divisors (see below), whose sum is σ = 401187600. Its totient is φ = 39490048.

The previous prime is 157351823. The next prime is 157351853. The reversal of 157351830 is 38153751.

It is a junction number, because it is equal to n+sod(n) for n = 157351791 and 157351800.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 405 + ... + 17744.

It is an arithmetic number, because the mean of its divisors is an integer number (8358075).

Almost surely, 2^157351830 is an apocalyptic number.

157351830 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 157351830, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (200593800).

157351830 is an abundant number, since it is smaller than the sum of its proper divisors (243835770).

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

157351830 is a wasteful number, since it uses less digits than its factorization.

157351830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18193 (or 18176 counting only the distinct ones).

The product of its (nonzero) digits is 12600, while the sum is 33.

The square root of 157351830 is about 12543.9957748717. The cubic root of 157351830 is about 539.8717459471.

The spelling of 157351830 in words is "one hundred fifty-seven million, three hundred fifty-one thousand, eight hundred thirty".