45531430 has 16 divisors (see below), whose sum is σ = 93664800. Its totient is φ = 15610752.

The previous prime is 45531427. The next prime is 45531449. The reversal of 45531430 is 3413554.

It is a super-2 number, since 2×45531430² = 4146222235689800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 45531395 and 45531404.

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, 325155 + ... + 325294.

It is an arithmetic number, because the mean of its divisors is an integer number (5854050).

Almost surely, 2^45531430 is an apocalyptic number.

45531430 is an abundant number, since it is smaller than the sum of its proper divisors (48133370).

45531430 is a wasteful number, since it uses less digits than its factorization.

45531430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 650463.

The product of its (nonzero) digits is 3600, while the sum is 25.

The square root of 45531430 is about 6747.6981260279. The cubic root of 45531430 is about 357.0840321400.

Adding to 45531430 its reverse (3413554), we get a palindrome (48944984).

The spelling of 45531430 in words is "forty-five million, five hundred thirty-one thousand, four hundred thirty".