152540434 has 8 divisors (see below), whose sum is σ = 228933900. Its totient is φ = 76229136.

The previous prime is 152540387. The next prime is 152540467. The reversal of 152540434 is 434045251.

It can be written as a sum of positive squares in 2 ways, for example, as 121771225 + 30769209 = 11035^2 + 5547^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15669 + ... + 23464.

Almost surely, 2^152540434 is an apocalyptic number.

152540434 is a deficient number, since it is larger than the sum of its proper divisors (76393466).

152540434 is a wasteful number, since it uses less digits than its factorization.

152540434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41084.

The product of its (nonzero) digits is 9600, while the sum is 28.

The square root of 152540434 is about 12350.7260515324. The cubic root of 152540434 is about 534.3120794058.

Adding to 152540434 its reverse (434045251), we get a palindrome (586585685).

The spelling of 152540434 in words is "one hundred fifty-two million, five hundred forty thousand, four hundred thirty-four".