609628154 has 8 divisors (see below), whose sum is σ = 931696020. Its totient is φ = 299062816.

The previous prime is 609628153. The next prime is 609628189. The reversal of 609628154 is 451826906.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 585882025 + 23746129 = 24205^2 + 4873^2 .

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

It is a super-2 number, since 2×609628154² = 743292972298895432, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (609628153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2875499 + ... + 2875710.

Almost surely, 2^609628154 is an apocalyptic number.

609628154 is a deficient number, since it is larger than the sum of its proper divisors (322067866).

609628154 is a wasteful number, since it uses less digits than its factorization.

609628154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5751264.

The product of its (nonzero) digits is 103680, while the sum is 41.

The square root of 609628154 is about 24690.6491206691. The cubic root of 609628154 is about 847.9202460372.

The spelling of 609628154 in words is "six hundred nine million, six hundred twenty-eight thousand, one hundred fifty-four".