151449472 has 16 divisors (see below), whose sum is σ = 301716000. Its totient is φ = 75724672.

The previous prime is 151449469. The next prime is 151449479. The reversal of 151449472 is 274944151.

It is a tau number, because it is divible by the number of its divisors (16).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (151449479) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 591472 + ... + 591727.

It is an arithmetic number, because the mean of its divisors is an integer number (18857250).

Almost surely, 2^151449472 is an apocalyptic number.

It is an amenable number.

151449472 is a deficient number, since it is larger than the sum of its proper divisors (150266528).

151449472 is an equidigital number, since it uses as much as digits as its factorization.

151449472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1183213 (or 1183201 counting only the distinct ones).

The product of its digits is 40320, while the sum is 37.

The square root of 151449472 is about 12306.4808942280. The cubic root of 151449472 is about 533.0352389736.

The spelling of 151449472 in words is "one hundred fifty-one million, four hundred forty-nine thousand, four hundred seventy-two".