45401130 has 24 divisors (see below), whose sum is σ = 118043172. Its totient is φ = 12106944.

The previous prime is 45401123. The next prime is 45401137. The reversal of 45401130 is 3110454.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (45401123) and next prime (45401137).

It can be written as a sum of positive squares in 2 ways, for example, as 45037521 + 363609 = 6711^2 + 603^2 .

It is a super-2 number, since 2×45401130² = 4122525210553800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (45401137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 252139 + ... + 252318.

Almost surely, 2^45401130 is an apocalyptic number.

45401130 is an abundant number, since it is smaller than the sum of its proper divisors (72642042).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

45401130 is a wasteful number, since it uses less digits than its factorization.

45401130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 504470 (or 504467 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 45401130 is about 6738.0360640175. The cubic root of 45401130 is about 356.7430771549.

Adding to 45401130 its reverse (3110454), we get a palindrome (48511584).

The spelling of 45401130 in words is "forty-five million, four hundred one thousand, one hundred thirty".