157245881811974 has 8 divisors (see below), whose sum is σ = 235869744737088. Its totient is φ = 78622633566280.

The previous prime is 157245881811973. The next prime is 157245881812043. The reversal of 157245881811974 is 479118188542751.

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

It is a junction number, because it is equal to n+sod(n) for n = 157245881811898 and 157245881811907.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157245881811971) 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, 153029777 + ... + 154053900.

It is an arithmetic number, because the mean of its divisors is an integer number (29483718092136).

Almost surely, 2^{157245881811974} is an apocalyptic number.

157245881811974 is a deficient number, since it is larger than the sum of its proper divisors (78623862925114).

157245881811974 is a wasteful number, since it uses less digits than its factorization.

157245881811974 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 307339710.

The product of its digits is 180633600, while the sum is 71.

The spelling of 157245881811974 in words is "one hundred fifty-seven trillion, two hundred forty-five billion, eight hundred eighty-one million, eight hundred eleven thousand, nine hundred seventy-four".