157075193 has 4 divisors (see below), whose sum is σ = 171354768. Its totient is φ = 142795620.

The previous prime is 157075159. The next prime is 157075201. The reversal of 157075193 is 391570751.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 157075193 - 2⁶ = 157075129 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (157071193) 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, 7139771 + ... + 7139792.

It is an arithmetic number, because the mean of its divisors is an integer number (42838692).

Almost surely, 2^157075193 is an apocalyptic number.

It is an amenable number.

157075193 is a deficient number, since it is larger than the sum of its proper divisors (14279575).

157075193 is a wasteful number, since it uses less digits than its factorization.

157075193 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14279574.

The product of its (nonzero) digits is 33075, while the sum is 38.

The square root of 157075193 is about 12532.9642543175. The cubic root of 157075193 is about 539.5551812400. Note that the first 3 decimals are identical.

The spelling of 157075193 in words is "one hundred fifty-seven million, seventy-five thousand, one hundred ninety-three".