157462497242 has 32 divisors (see below), whose sum is σ = 244911589632. Its totient is φ = 75884238144.

The previous prime is 157462497217. The next prime is 157462497277. The reversal of 157462497242 is 242794264751.

It is a happy number.

It is a Smith number, since the sum of its digits (53) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Harshad number since it is a multiple of its sum of digits (53).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2576228 + ... + 2636640.

It is an arithmetic number, because the mean of its divisors is an integer number (7653487176).

Almost surely, 2^157462497242 is an apocalyptic number.

157462497242 is a deficient number, since it is larger than the sum of its proper divisors (87449092390).

157462497242 is a wasteful number, since it uses less digits than its factorization.

157462497242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60902.

The product of its digits is 6773760, while the sum is 53.

The spelling of 157462497242 in words is "one hundred fifty-seven billion, four hundred sixty-two million, four hundred ninety-seven thousand, two hundred forty-two".