611422045 has 16 divisors (see below), whose sum is σ = 805058352. Its totient is φ = 442990080.

The previous prime is 611422039. The next prime is 611422067. The reversal of 611422045 is 540224116.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 887364 + 610534681 = 942^2 + 24709^2 .

It is not a de Polignac number, because 611422045 - 2³ = 611422037 is a prime.

It is a super-2 number, since 2×611422045² = 747673834223964050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 85296 + ... + 92185.

It is an arithmetic number, because the mean of its divisors is an integer number (50316147).

Almost surely, 2^611422045 is an apocalyptic number.

611422045 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

It is an amenable number.

611422045 is a deficient number, since it is larger than the sum of its proper divisors (193636307).

611422045 is a wasteful number, since it uses less digits than its factorization.

611422045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 177552.

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 611422045 is about 24726.9497714538. The cubic root of 611422045 is about 848.7511279170.

The spelling of 611422045 in words is "six hundred eleven million, four hundred twenty-two thousand, forty-five".