745148234 has 4 divisors (see below), whose sum is σ = 1117722354. Its totient is φ = 372574116.

The previous prime is 745148231. The next prime is 745148249. The reversal of 745148234 is 432841547.

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

It can be written as a sum of positive squares in only one way, i.e., 727111225 + 18037009 = 26965^2 + 4247^2 .

It is not an unprimeable number, because it can be changed into a prime (745148231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 186287057 + ... + 186287060.

Almost surely, 2^745148234 is an apocalyptic number.

745148234 is a deficient number, since it is larger than the sum of its proper divisors (372574120).

745148234 is a wasteful number, since it uses less digits than its factorization.

745148234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 372574119.

The product of its digits is 107520, while the sum is 38.

The square root of 745148234 is about 27297.4034296304. The cubic root of 745148234 is about 906.5968912266.

The spelling of 745148234 in words is "seven hundred forty-five million, one hundred forty-eight thousand, two hundred thirty-four".