745623142 has 8 divisors (see below), whose sum is σ = 1220110632. Its totient is φ = 338919600.

The previous prime is 745623127. The next prime is 745623143. The reversal of 745623142 is 241326547.

745623142 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 745623098 and 745623107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (745623143) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16945959 + ... + 16946002.

It is an arithmetic number, because the mean of its divisors is an integer number (152513829).

Almost surely, 2^745623142 is an apocalyptic number.

745623142 is a deficient number, since it is larger than the sum of its proper divisors (474487490).

745623142 is a wasteful number, since it uses less digits than its factorization.

745623142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33891974.

The product of its digits is 40320, while the sum is 34.

The square root of 745623142 is about 27306.1008201464. The cubic root of 745623142 is about 906.7894518748.

Adding to 745623142 its reverse (241326547), we get a palindrome (986949689).

The spelling of 745623142 in words is "seven hundred forty-five million, six hundred twenty-three thousand, one hundred forty-two".