45127402 has 4 divisors (see below), whose sum is σ = 67691106. Its totient is φ = 22563700.

The previous prime is 45127399. The next prime is 45127441. The reversal of 45127402 is 20472154.

45127402 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 20472154 = 2 ⋅10236077.

It can be written as a sum of positive squares in only one way, i.e., 42627841 + 2499561 = 6529^2 + 1581^2 .

It is a super-2 number, since 2×45127402² = 4072964822539208, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11281849 + ... + 11281852.

Almost surely, 2^45127402 is an apocalyptic number.

45127402 is a deficient number, since it is larger than the sum of its proper divisors (22563704).

45127402 is a wasteful number, since it uses less digits than its factorization.

45127402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22563703.

The product of its (nonzero) digits is 2240, while the sum is 25.

The square root of 45127402 is about 6717.6932052603. The cubic root of 45127402 is about 356.0246847757.

Adding to 45127402 its reverse (20472154), we get a palindrome (65599556).

The spelling of 45127402 in words is "forty-five million, one hundred twenty-seven thousand, four hundred two".