157705611542 has 4 divisors (see below), whose sum is σ = 236558417316. Its totient is φ = 78852805770.

The previous prime is 157705611461. The next prime is 157705611589. The reversal of 157705611542 is 245116507751.

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

It is a junction number, because it is equal to n+sod(n) for n = 157705611493 and 157705611502.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39426402884 + ... + 39426402887.

It is an arithmetic number, because the mean of its divisors is an integer number (59139604329).

Almost surely, 2^157705611542 is an apocalyptic number.

157705611542 is a deficient number, since it is larger than the sum of its proper divisors (78852805774).

157705611542 is an equidigital number, since it uses as much as digits as its factorization.

157705611542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78852805773.

The product of its (nonzero) digits is 294000, while the sum is 44.

The spelling of 157705611542 in words is "one hundred fifty-seven billion, seven hundred five million, six hundred eleven thousand, five hundred forty-two".