612264645 has 48 divisors (see below), whose sum is σ = 1125483840. Its totient is φ = 307037952.

The previous prime is 612264643. The next prime is 612264647. The reversal of 612264645 is 546462216.

612264645 is a `hidden beast` number, since 6 + 1 + 2 + 2 + 6 + 4 + 645 = 666.

It is an interprime number because it is at equal distance from previous prime (612264643) and next prime (612264647).

It is not a de Polignac number, because 612264645 - 2¹ = 612264643 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (612264643) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 114522 + ... + 119748.

It is an arithmetic number, because the mean of its divisors is an integer number (23447580).

Almost surely, 2^612264645 is an apocalyptic number.

It is an amenable number.

612264645 is a deficient number, since it is larger than the sum of its proper divisors (513219195).

612264645 is a wasteful number, since it uses less digits than its factorization.

612264645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5394 (or 5391 counting only the distinct ones).

The product of its digits is 69120, while the sum is 36.

The square root of 612264645 is about 24743.9819956288. The cubic root of 612264645 is about 849.1408365960.

The spelling of 612264645 in words is "six hundred twelve million, two hundred sixty-four thousand, six hundred forty-five".