745545254 has 8 divisors (see below), whose sum is σ = 1119276408. Its totient is φ = 372453120.

The previous prime is 745545169. The next prime is 745545263. The reversal of 745545254 is 452545547.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 156827 + ... + 161510.

It is an arithmetic number, because the mean of its divisors is an integer number (139909551).

Almost surely, 2^745545254 is an apocalyptic number.

745545254 is a deficient number, since it is larger than the sum of its proper divisors (373731154).

745545254 is a wasteful number, since it uses less digits than its factorization.

745545254 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 319510.

The product of its digits is 560000, while the sum is 41.

The square root of 745545254 is about 27304.6745814705. The cubic root of 745545254 is about 906.7578762828.

The spelling of 745545254 in words is "seven hundred forty-five million, five hundred forty-five thousand, two hundred fifty-four".