157984250 has 16 divisors (see below), whose sum is σ = 295746984. Its totient is φ = 63193600.

The previous prime is 157984231. The next prime is 157984289. The reversal of 157984250 is 52489751.

157984250 is digitally balanced in base 3, 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 4 ways, for example, as 20133169 + 137851081 = 4487^2 + 11741^2 .

It is a junction number, because it is equal to n+sod(n) for n = 157984198 and 157984207.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 315719 + ... + 316218.

Almost surely, 2^157984250 is an apocalyptic number.

157984250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

157984250 is a deficient number, since it is larger than the sum of its proper divisors (137762734).

157984250 is an equidigital number, since it uses as much as digits as its factorization.

157984250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 631954 (or 631944 counting only the distinct ones).

The product of its (nonzero) digits is 100800, while the sum is 41.

The square root of 157984250 is about 12569.1785730015. The cubic root of 157984250 is about 540.5940536041.

The spelling of 157984250 in words is "one hundred fifty-seven million, nine hundred eighty-four thousand, two hundred fifty".