745315242 has 32 divisors (see below), whose sum is σ = 1793241600. Its totient is φ = 201739248.

The previous prime is 745315231. The next prime is 745315243. The reversal of 745315242 is 242513547.

It is not an unprimeable number, because it can be changed into a prime (745315243) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 466192 + ... + 467787.

It is an arithmetic number, because the mean of its divisors is an integer number (56038800).

Almost surely, 2^745315242 is an apocalyptic number.

745315242 is an abundant number, since it is smaller than the sum of its proper divisors (1047926358).

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

745315242 is a wasteful number, since it uses less digits than its factorization.

745315242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 934010.

The product of its digits is 33600, while the sum is 33.

The square root of 745315242 is about 27300.4623037779. The cubic root of 745315242 is about 906.6646171799.

Adding to 745315242 its reverse (242513547), we get a palindrome (987828789).

The spelling of 745315242 in words is "seven hundred forty-five million, three hundred fifteen thousand, two hundred forty-two".