152451434 has 24 divisors (see below), whose sum is σ = 238462380. Its totient is φ = 73092992.

The previous prime is 152451419. The next prime is 152451437. The reversal of 152451434 is 434154251.

It can be written as a sum of positive squares in 6 ways, for example, as 36566209 + 115885225 = 6047^2 + 10765^2 .

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a junction number, because it is equal to n+sod(n) for n = 152451397 and 152451406.

It is not an unprimeable number, because it can be changed into a prime (152451437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 391712 + ... + 392100.

Almost surely, 2^152451434 is an apocalyptic number.

152451434 is a deficient number, since it is larger than the sum of its proper divisors (86010946).

152451434 is a wasteful number, since it uses less digits than its factorization.

152451434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 682 (or 653 counting only the distinct ones).

The product of its digits is 9600, while the sum is 29.

The square root of 152451434 is about 12347.1224987849. The cubic root of 152451434 is about 534.2081440638.

The spelling of 152451434 in words is "one hundred fifty-two million, four hundred fifty-one thousand, four hundred thirty-four".