154652489 has 8 divisors (see below), whose sum is σ = 160749120. Its totient is φ = 148656816.

The previous prime is 154652453. The next prime is 154652497. The reversal of 154652489 is 984256451.

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

It is a cyclic number.

It is not a de Polignac number, because 154652489 - 2⁸ = 154652233 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (154652089) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22109 + ... + 28250.

It is an arithmetic number, because the mean of its divisors is an integer number (20093640).

Almost surely, 2^154652489 is an apocalyptic number.

It is an amenable number.

154652489 is a deficient number, since it is larger than the sum of its proper divisors (6096631).

154652489 is an equidigital number, since it uses as much as digits as its factorization.

154652489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50479.

The product of its digits is 345600, while the sum is 44.

The square root of 154652489 is about 12435.9353890248. The cubic root of 154652489 is about 536.7667899987.

The spelling of 154652489 in words is "one hundred fifty-four million, six hundred fifty-two thousand, four hundred eighty-nine".