154515452 has 24 divisors (see below), whose sum is σ = 332803296. Its totient is φ = 61126848.

The previous prime is 154515433. The next prime is 154515479. The reversal of 154515452 is 254515451.

154515452 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 211883 + ... + 212610.

It is an arithmetic number, because the mean of its divisors is an integer number (13866804).

Almost surely, 2^154515452 is an apocalyptic number.

It is an amenable number.

154515452 is an abundant number, since it is smaller than the sum of its proper divisors (178287844).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

154515452 is a wasteful number, since it uses less digits than its factorization.

154515452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 424517 (or 424515 counting only the distinct ones).

The product of its digits is 20000, while the sum is 32.

The square root of 154515452 is about 12430.4244497121. The cubic root of 154515452 is about 536.6082007902.

Subtracting 154515452 from its reverse (254515451), we obtain a palindrome (99999999).

The spelling of 154515452 in words is "one hundred fifty-four million, five hundred fifteen thousand, four hundred fifty-two".