157143547 has 24 divisors (see below), whose sum is σ = 188168400. Its totient is φ = 130616640.

The previous prime is 157143541. The next prime is 157143559. The reversal of 157143547 is 745341751.

It is not a de Polignac number, because 157143547 - 2¹¹ = 157141499 is a prime.

It is not an unprimeable number, because it can be changed into a prime (157143541) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 65493 + ... + 67849.

It is an arithmetic number, because the mean of its divisors is an integer number (7840350).

Almost surely, 2^157143547 is an apocalyptic number.

157143547 is a deficient number, since it is larger than the sum of its proper divisors (31024853).

157143547 is a wasteful number, since it uses less digits than its factorization.

157143547 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2427 (or 2416 counting only the distinct ones).

The product of its digits is 58800, while the sum is 37.

The square root of 157143547 is about 12535.6909263112. The cubic root of 157143547 is about 539.6334354945.

The spelling of 157143547 in words is "one hundred fifty-seven million, one hundred forty-three thousand, five hundred forty-seven".