190548157 has 2 divisors, whose sum is σ = 190548158. Its totient is φ = 190548156.

The previous prime is 190548143. The next prime is 190548221. The reversal of 190548157 is 751845091.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 179399236 + 11148921 = 13394^2 + 3339^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-190548157 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (190548107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 95274078 + 95274079.

It is an arithmetic number, because the mean of its divisors is an integer number (95274079).

Almost surely, 2^190548157 is an apocalyptic number.

It is an amenable number.

190548157 is a deficient number, since it is larger than the sum of its proper divisors (1).

190548157 is an equidigital number, since it uses as much as digits as its factorization.

190548157 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 50400, while the sum is 40.

The square root of 190548157 is about 13803.9181756485. The cubic root of 190548157 is about 575.4420364010.

The spelling of 190548157 in words is "one hundred ninety million, five hundred forty-eight thousand, one hundred fifty-seven".