157520199 has 8 divisors (see below), whose sum is σ = 217269360. Its totient is φ = 101392256.

The previous prime is 157520177. The next prime is 157520227. The reversal of 157520199 is 991025751.

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

It is a cyclic number.

It is not a de Polignac number, because 157520199 - 2¹³ = 157512007 is a prime.

It is a super-2 number, since 2×157520199² = 49625226185999202, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157520119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 905202 + ... + 905375.

It is an arithmetic number, because the mean of its divisors is an integer number (27158670).

Almost surely, 2^157520199 is an apocalyptic number.

157520199 is a deficient number, since it is larger than the sum of its proper divisors (59749161).

157520199 is a wasteful number, since it uses less digits than its factorization.

157520199 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1810609.

The product of its (nonzero) digits is 28350, while the sum is 39.

The square root of 157520199 is about 12550.7051196337. The cubic root of 157520199 is about 540.0642344713.

The spelling of 157520199 in words is "one hundred fifty-seven million, five hundred twenty thousand, one hundred ninety-nine".