609147455 has 16 divisors (see below), whose sum is σ = 855779904. Its totient is φ = 407512320.

The previous prime is 609147397. The next prime is 609147491. The reversal of 609147455 is 554741906.

It is not a de Polignac number, because 609147455 - 2²⁰ = 608098879 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 210812 + ... + 213681.

It is an arithmetic number, because the mean of its divisors is an integer number (53486244).

Almost surely, 2^609147455 is an apocalyptic number.

609147455 is a deficient number, since it is larger than the sum of its proper divisors (246632449).

609147455 is a wasteful number, since it uses less digits than its factorization.

609147455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 424546.

The product of its (nonzero) digits is 151200, while the sum is 41.

The square root of 609147455 is about 24680.9127667516. The cubic root of 609147455 is about 847.6973223912.

The spelling of 609147455 in words is "six hundred nine million, one hundred forty-seven thousand, four hundred fifty-five".