157532427735194 has 4 divisors (see below), whose sum is σ = 236298641602794. Its totient is φ = 78766213867596.

The previous prime is 157532427735173. The next prime is 157532427735197. The reversal of 157532427735194 is 491537724235751.

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

It can be written as a sum of positive squares in only one way, i.e., 81797824966225 + 75734602768969 = 9044215^2 + 8702563^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 157532427735194.

It is not an unprimeable number, because it can be changed into a prime (157532427735197) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39383106933797 + ... + 39383106933800.

Almost surely, 2^{157532427735194} is an apocalyptic number.

157532427735194 is a deficient number, since it is larger than the sum of its proper divisors (78766213867600).

157532427735194 is an equidigital number, since it uses as much as digits as its factorization.

157532427735194 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78766213867599.

The product of its digits is 222264000, while the sum is 65.

The spelling of 157532427735194 in words is "one hundred fifty-seven trillion, five hundred thirty-two billion, four hundred twenty-seven million, seven hundred thirty-five thousand, one hundred ninety-four".