152449407 has 24 divisors (see below), whose sum is σ = 252869760. Its totient is φ = 87529680.

The previous prime is 152449397. The next prime is 152449411. The reversal of 152449407 is 704944251.

It is a happy number.

152449407 is a `hidden beast` number, since 1 + 5 + 244 + 9 + 407 = 666.

It is not a de Polignac number, because 152449407 - 2⁷ = 152449279 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (152449417) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 38643 + ... + 42404.

It is an arithmetic number, because the mean of its divisors is an integer number (10536240).

Almost surely, 2^152449407 is an apocalyptic number.

152449407 is a deficient number, since it is larger than the sum of its proper divisors (100420353).

152449407 is a wasteful number, since it uses less digits than its factorization.

152449407 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81083 (or 81080 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 36.

The square root of 152449407 is about 12347.0404146095. The cubic root of 152449407 is about 534.2057764362.

The spelling of 152449407 in words is "one hundred fifty-two million, four hundred forty-nine thousand, four hundred seven".