156448745 has 4 divisors (see below), whose sum is σ = 187738500. Its totient is φ = 125158992.

The previous prime is 156448727. The next prime is 156448751. The reversal of 156448745 is 547844651.

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

It can be written as a sum of positive squares in 2 ways, for example, as 123121216 + 33327529 = 11096^2 + 5773^2 .

It is a cyclic number.

It is not a de Polignac number, because 156448745 - 2¹⁶ = 156383209 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 156448696 and 156448705.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15644870 + ... + 15644879.

It is an arithmetic number, because the mean of its divisors is an integer number (46934625).

Almost surely, 2^156448745 is an apocalyptic number.

It is an amenable number.

156448745 is a deficient number, since it is larger than the sum of its proper divisors (31289755).

156448745 is an equidigital number, since it uses as much as digits as its factorization.

156448745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31289754.

The product of its digits is 537600, while the sum is 44.

The square root of 156448745 is about 12507.9472736337. The cubic root of 156448745 is about 538.8369400843.

It can be divided in two parts, 15644 and 8745, that added together give a cube (24389 = 29³).

The spelling of 156448745 in words is "one hundred fifty-six million, four hundred forty-eight thousand, seven hundred forty-five".