45214740 has 192 divisors, whose sum is σ = 151173120. Its totient is φ = 11197440.

The previous prime is 45214723. The next prime is 45214751. The reversal of 45214740 is 4741254.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 619344 + ... + 619416.

It is an arithmetic number, because the mean of its divisors is an integer number (787360).

Almost surely, 2^45214740 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 45214740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (75586560).

45214740 is an abundant number, since it is smaller than the sum of its proper divisors (105958380).

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

45214740 is a wasteful number, since it uses less digits than its factorization.

45214740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159 (or 151 counting only the distinct ones).

The product of its (nonzero) digits is 4480, while the sum is 27.

The square root of 45214740 is about 6724.1906576182. The cubic root of 45214740 is about 356.2542160166.

Adding to 45214740 its reverse (4741254), we get a palindrome (49955994).

It can be divided in two parts, 45214 and 740, that added together give a palindrome (45954).

The spelling of 45214740 in words is "forty-five million, two hundred fourteen thousand, seven hundred forty".