752247145 has 16 divisors (see below), whose sum is σ = 1023301440. Its totient is φ = 526267584.

The previous prime is 752247071. The next prime is 752247149. The reversal of 752247145 is 541742257.

752247145 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 752247145 - 2¹³ = 752238953 is a prime.

It is not an unprimeable number, because it can be changed into a prime (752247149) 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, 303319 + ... + 305788.

It is an arithmetic number, because the mean of its divisors is an integer number (63956340).

Almost surely, 2^752247145 is an apocalyptic number.

It is an amenable number.

752247145 is a deficient number, since it is larger than the sum of its proper divisors (271054295).

752247145 is a wasteful number, since it uses less digits than its factorization.

752247145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 609144.

The product of its digits is 78400, while the sum is 37.

The square root of 752247145 is about 27427.1242568374. The cubic root of 752247145 is about 909.4667990999.

It can be divided in two parts, 75224 and 7145, that added together give a square (82369 = 287²).

The spelling of 752247145 in words is "seven hundred fifty-two million, two hundred forty-seven thousand, one hundred forty-five".