156487145 has 8 divisors (see below), whose sum is σ = 187865160. Its totient is φ = 125136000.

The previous prime is 156487141. The next prime is 156487151. The reversal of 156487145 is 541784651.

It can be written as a sum of positive squares in 4 ways, for example, as 62552281 + 93934864 = 7909^2 + 9692^2 .

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

It is not a de Polignac number, because 156487145 - 2² = 156487141 is a prime.

It is not an unprimeable number, because it can be changed into a prime (156487141) 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, 9791 + ... + 20219.

It is an arithmetic number, because the mean of its divisors is an integer number (23483145).

Almost surely, 2^156487145 is an apocalyptic number.

It is an amenable number.

156487145 is a deficient number, since it is larger than the sum of its proper divisors (31378015).

156487145 is a wasteful number, since it uses less digits than its factorization.

156487145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13435.

The product of its digits is 134400, while the sum is 41.

The square root of 156487145 is about 12509.4822035127. The cubic root of 156487145 is about 538.8810219247.

The spelling of 156487145 in words is "one hundred fifty-six million, four hundred eighty-seven thousand, one hundred forty-five".