157146459 has 4 divisors (see below), whose sum is σ = 209528616. Its totient is φ = 104764304.

The previous prime is 157146449. The next prime is 157146461. The reversal of 157146459 is 954641751.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-157146459 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 157146459.

It is not an unprimeable number, because it can be changed into a prime (157146449) 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, 26191074 + ... + 26191079.

It is an arithmetic number, because the mean of its divisors is an integer number (52382154).

Almost surely, 2^157146459 is an apocalyptic number.

157146459 is a deficient number, since it is larger than the sum of its proper divisors (52382157).

157146459 is an equidigital number, since it uses as much as digits as its factorization.

157146459 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52382156.

The product of its digits is 151200, while the sum is 42.

The square root of 157146459 is about 12535.8070741377. The cubic root of 157146459 is about 539.6367687587.

The spelling of 157146459 in words is "one hundred fifty-seven million, one hundred forty-six thousand, four hundred fifty-nine".