45229861 has 4 divisors (see below), whose sum is σ = 47610400. Its totient is φ = 42849324.

The previous prime is 45229841. The next prime is 45229867. The reversal of 45229861 is 16892254.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 45229861 - 2¹³ = 45221669 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 45229861.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45229867) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1190241 + ... + 1190278.

It is an arithmetic number, because the mean of its divisors is an integer number (11902600).

Almost surely, 2^45229861 is an apocalyptic number.

It is an amenable number.

45229861 is a deficient number, since it is larger than the sum of its proper divisors (2380539).

45229861 is a wasteful number, since it uses less digits than its factorization.

45229861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2380538.

The product of its digits is 34560, while the sum is 37.

The square root of 45229861 is about 6725.3149368636. The cubic root of 45229861 is about 356.2939251881.

The spelling of 45229861 in words is "forty-five million, two hundred twenty-nine thousand, eight hundred sixty-one".