156393145 has 8 divisors (see below), whose sum is σ = 188314056. Its totient is φ = 124686336.

The previous prime is 156393131. The next prime is 156393151. The reversal of 156393145 is 541393651.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 63154809 + 93238336 = 7947^2 + 9656^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 156393145 - 2⁵ = 156393113 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51912 + ... + 54841.

It is an arithmetic number, because the mean of its divisors is an integer number (23539257).

Almost surely, 2^156393145 is an apocalyptic number.

It is an amenable number.

156393145 is a deficient number, since it is larger than the sum of its proper divisors (31920911).

156393145 is a wasteful number, since it uses less digits than its factorization.

156393145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107051.

The product of its digits is 48600, while the sum is 37.

The square root of 156393145 is about 12505.7244892089. The cubic root of 156393145 is about 538.7731004678.

The spelling of 156393145 in words is "one hundred fifty-six million, three hundred ninety-three thousand, one hundred forty-five".