745177142 has 4 divisors (see below), whose sum is σ = 1117765716. Its totient is φ = 372588570.

The previous prime is 745177117. The next prime is 745177171. The reversal of 745177142 is 241771547.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 745177096 and 745177105.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 186294284 + ... + 186294287.

It is an arithmetic number, because the mean of its divisors is an integer number (279441429).

Almost surely, 2^745177142 is an apocalyptic number.

745177142 is a deficient number, since it is larger than the sum of its proper divisors (372588574).

745177142 is a wasteful number, since it uses less digits than its factorization.

745177142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 372588573.

The product of its digits is 54880, while the sum is 38.

The square root of 745177142 is about 27297.9329254066. The cubic root of 745177142 is about 906.6086148734.

The spelling of 745177142 in words is "seven hundred forty-five million, one hundred seventy-seven thousand, one hundred forty-two".