156245493 has 12 divisors (see below), whose sum is σ = 219870528. Its totient is φ = 98680680.

The previous prime is 156245491. The next prime is 156245497. The reversal of 156245493 is 394542651.

156245493 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 156245493 - 2¹ = 156245491 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (156245491) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 71053 + ... + 73218.

It is an arithmetic number, because the mean of its divisors is an integer number (18322544).

Almost surely, 2^156245493 is an apocalyptic number.

It is an amenable number.

156245493 is a deficient number, since it is larger than the sum of its proper divisors (63625035).

156245493 is a wasteful number, since it uses less digits than its factorization.

156245493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144312 (or 144293 counting only the distinct ones).

The product of its digits is 129600, while the sum is 39.

The square root of 156245493 is about 12499.8197186999. The cubic root of 156245493 is about 538.6034937717.

The spelling of 156245493 in words is "one hundred fifty-six million, two hundred forty-five thousand, four hundred ninety-three".