45401432 has 32 divisors (see below), whose sum is σ = 88164720. Its totient is φ = 21903360.

The previous prime is 45401423. The next prime is 45401459. The reversal of 45401432 is 23410454.

It is a super-2 number, since 2×45401432² = 4122580055301248, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 45401398 and 45401407.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31103 + ... + 32529.

Almost surely, 2^45401432 is an apocalyptic number.

It is an amenable number.

45401432 is a deficient number, since it is larger than the sum of its proper divisors (42763288).

45401432 is a wasteful number, since it uses less digits than its factorization.

45401432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1571 (or 1567 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 45401432 is about 6738.0584740710. The cubic root of 45401432 is about 356.7438681497.

Adding to 45401432 its reverse (23410454), we get a palindrome (68811886).

The spelling of 45401432 in words is "forty-five million, four hundred one thousand, four hundred thirty-two".