157611343 has 4 divisors (see below), whose sum is σ = 157636648. Its totient is φ = 157586040.

The previous prime is 157611313. The next prime is 157611397. The reversal of 157611343 is 343116751.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 343116751 = 193 ⋅1777807.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-157611343 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157611313) 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, 3973 + ... + 18193.

It is an arithmetic number, because the mean of its divisors is an integer number (39409162).

Almost surely, 2^157611343 is an apocalyptic number.

157611343 is a deficient number, since it is larger than the sum of its proper divisors (25305).

157611343 is a wasteful number, since it uses less digits than its factorization.

157611343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25304.

The product of its digits is 7560, while the sum is 31.

The square root of 157611343 is about 12554.3356255917. The cubic root of 157611343 is about 540.1683779908.

The spelling of 157611343 in words is "one hundred fifty-seven million, six hundred eleven thousand, three hundred forty-three".