151472144 has 20 divisors (see below), whose sum is σ = 300303696. Its totient is φ = 73974432.

The previous prime is 151472143. The next prime is 151472147. The reversal of 151472144 is 441274151.

It is a happy number.

It is a Smith number, since the sum of its digits (29) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (151472141) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 109394 + ... + 110769.

Almost surely, 2^151472144 is an apocalyptic number.

It is an amenable number.

151472144 is a deficient number, since it is larger than the sum of its proper divisors (148831552).

151472144 is a wasteful number, since it uses less digits than its factorization.

151472144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 220214 (or 220208 counting only the distinct ones).

The product of its digits is 4480, while the sum is 29.

The square root of 151472144 is about 12307.4020004223. The cubic root of 151472144 is about 533.0618361214.

The spelling of 151472144 in words is "one hundred fifty-one million, four hundred seventy-two thousand, one hundred forty-four".