45415477 has 2 divisors, whose sum is σ = 45415478. Its totient is φ = 45415476.

The previous prime is 45415471. The next prime is 45415493. The reversal of 45415477 is 77451454.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 35892081 + 9523396 = 5991^2 + 3086^2 .

It is a cyclic number.

It is not a de Polignac number, because 45415477 - 2¹¹ = 45413429 is a prime.

It is a super-2 number, since 2×45415477² = 4125131102275058, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45415471) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22707738 + 22707739.

It is an arithmetic number, because the mean of its divisors is an integer number (22707739).

Almost surely, 2^45415477 is an apocalyptic number.

It is an amenable number.

45415477 is a deficient number, since it is larger than the sum of its proper divisors (1).

45415477 is an equidigital number, since it uses as much as digits as its factorization.

45415477 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 78400, while the sum is 37.

The square root of 45415477 is about 6739.1006076479. The cubic root of 45415477 is about 356.7806507711.

It can be divided in two parts, 454 and 15477, that added together give a triangular number (15931 = T₁₇₈).

The spelling of 45415477 in words is "forty-five million, four hundred fifteen thousand, four hundred seventy-seven".