152440454 has 16 divisors (see below), whose sum is σ = 239032320. Its totient is φ = 72825480.

The previous prime is 152440451. The next prime is 152440459. The reversal of 152440454 is 454044251.

It is a super-2 number, since 2×152440454² = 46476184031452232, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (152440451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10664 + ... + 20459.

It is an arithmetic number, because the mean of its divisors is an integer number (14939520).

Almost surely, 2^152440454 is an apocalyptic number.

152440454 is a deficient number, since it is larger than the sum of its proper divisors (86591866).

152440454 is a wasteful number, since it uses less digits than its factorization.

152440454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31235.

The product of its (nonzero) digits is 12800, while the sum is 29.

The square root of 152440454 is about 12346.6778527667. The cubic root of 152440454 is about 534.1953186761.

The spelling of 152440454 in words is "one hundred fifty-two million, four hundred forty thousand, four hundred fifty-four".