61422045 has 16 divisors (see below), whose sum is σ = 99179520. Its totient is φ = 32457024.

The previous prime is 61422019. The next prime is 61422077. The reversal of 61422045 is 54022416.

It is not a de Polignac number, because 61422045 - 2¹⁶ = 61356509 is a prime.

It is a super-2 number, since 2×61422045² = 7545335223964050, which contains 22 as substring.

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, 17149 + ... + 20418.

It is an arithmetic number, because the mean of its divisors is an integer number (6198720).

Almost surely, 2^61422045 is an apocalyptic number.

It is an amenable number.

61422045 is a deficient number, since it is larger than the sum of its proper divisors (37757475).

61422045 is a wasteful number, since it uses less digits than its factorization.

61422045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37684.

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 61422045 is about 7837.2217653962. The cubic root of 61422045 is about 394.5554899207. Note that the first 3 decimals are identical.

The spelling of 61422045 in words is "sixty-one million, four hundred twenty-two thousand, forty-five".