45342132 has 96 divisors (see below), whose sum is σ = 123379200. Its totient is φ = 12816000.

The previous prime is 45342107. The next prime is 45342137. The reversal of 45342132 is 23124354.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45342137) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 253219 + ... + 253397.

It is an arithmetic number, because the mean of its divisors is an integer number (1285200).

Almost surely, 2^45342132 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 45342132, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (61689600).

45342132 is an abundant number, since it is smaller than the sum of its proper divisors (78037068).

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

45342132 is a wasteful number, since it uses less digits than its factorization.

45342132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 317 (or 315 counting only the distinct ones).

The product of its digits is 2880, while the sum is 24.

The square root of 45342132 is about 6733.6566589038. The cubic root of 45342132 is about 356.5884829745.

Adding to 45342132 its reverse (23124354), we get a palindrome (68466486).

It can be divided in two parts, 4534 and 2132, that added together give a palindrome (6666).

The spelling of 45342132 in words is "forty-five million, three hundred forty-two thousand, one hundred thirty-two".