190157459 has 4 divisors (see below), whose sum is σ = 190201440. Its totient is φ = 190113480.

The previous prime is 190157449. The next prime is 190157479. The reversal of 190157459 is 954751091.

190157459 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-190157459 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (190157449) 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, 14699 + ... + 24420.

It is an arithmetic number, because the mean of its divisors is an integer number (47550360).

Almost surely, 2^190157459 is an apocalyptic number.

190157459 is a deficient number, since it is larger than the sum of its proper divisors (43981).

190157459 is an equidigital number, since it uses as much as digits as its factorization.

190157459 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43980.

The product of its (nonzero) digits is 56700, while the sum is 41.

The square root of 190157459 is about 13789.7592074699. The cubic root of 190157459 is about 575.0484737962.

The spelling of 190157459 in words is "one hundred ninety million, one hundred fifty-seven thousand, four hundred fifty-nine".