45542477 has 4 divisors (see below), whose sum is σ = 45648576. Its totient is φ = 45436380.

The previous prime is 45542447. The next prime is 45542501. The reversal of 45542477 is 77424554.

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, and also an emirpimes, since its reverse is a distinct semiprime: 77424554 = 2 ⋅38712277.

It is a cyclic number.

It is not a de Polignac number, because 45542477 - 2¹⁴ = 45526093 is a prime.

It is a super-2 number, since 2×45542477² = 4148234422591058, which contains 22 as substring.

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 45542477.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45542447) 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, 52403 + ... + 53264.

It is an arithmetic number, because the mean of its divisors is an integer number (11412144).

Almost surely, 2^45542477 is an apocalyptic number.

It is an amenable number.

45542477 is a deficient number, since it is larger than the sum of its proper divisors (106099).

45542477 is a wasteful number, since it uses less digits than its factorization.

45542477 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106098.

The product of its digits is 156800, while the sum is 38.

The square root of 45542477 is about 6748.5166518280. The cubic root of 45542477 is about 357.1129088106.

The spelling of 45542477 in words is "forty-five million, five hundred forty-two thousand, four hundred seventy-seven".