156473045 has 8 divisors (see below), whose sum is σ = 187959096. Its totient is φ = 125050816.

The previous prime is 156473041. The next prime is 156473059. The reversal of 156473045 is 540374651.

It can be written as a sum of positive squares in 4 ways, for example, as 1868689 + 154604356 = 1367^2 + 12434^2 .

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 156473045 - 2² = 156473041 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 156472996 and 156473014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (156473041) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10382 + ... + 20511.

It is an arithmetic number, because the mean of its divisors is an integer number (23494887).

Almost surely, 2^156473045 is an apocalyptic number.

It is an amenable number.

156473045 is a deficient number, since it is larger than the sum of its proper divisors (31486051).

156473045 is a wasteful number, since it uses less digits than its factorization.

156473045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31911.

The product of its (nonzero) digits is 50400, while the sum is 35.

The square root of 156473045 is about 12508.9186183299. The cubic root of 156473045 is about 538.8648364619.

The spelling of 156473045 in words is "one hundred fifty-six million, four hundred seventy-three thousand, forty-five".