157093774 has 4 divisors (see below), whose sum is σ = 235640664. Its totient is φ = 78546886.

The previous prime is 157093757. The next prime is 157093777. The reversal of 157093774 is 477390751.

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

It is a self number, because there is not a number n which added to its sum of digits gives 157093774.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157093777) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39273442 + ... + 39273445.

It is an arithmetic number, because the mean of its divisors is an integer number (58910166).

Almost surely, 2^157093774 is an apocalyptic number.

157093774 is a deficient number, since it is larger than the sum of its proper divisors (78546890).

157093774 is an equidigital number, since it uses as much as digits as its factorization.

157093774 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78546889.

The product of its (nonzero) digits is 185220, while the sum is 43.

The square root of 157093774 is about 12533.7055175235. The cubic root of 157093774 is about 539.5764557208.

The spelling of 157093774 in words is "one hundred fifty-seven million, ninety-three thousand, seven hundred seventy-four".