4252156545 has 48 divisors (see below), whose sum is σ = 8523023040. Its totient is φ = 1794312576.

The previous prime is 4252156537. The next prime is 4252156553. The reversal of 4252156545 is 5456512524.

4252156545 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (4252156537) and next prime (4252156553).

It is not a de Polignac number, because 4252156545 - 2³ = 4252156537 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 212955 + ... + 232064.

It is an arithmetic number, because the mean of its divisors is an integer number (177562980).

Almost surely, 2^4252156545 is an apocalyptic number.

It is an amenable number.

4252156545 is an abundant number, since it is smaller than the sum of its proper divisors (4270866495).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4252156545 is a wasteful number, since it uses less digits than its factorization.

4252156545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 445054 (or 445047 counting only the distinct ones).

The product of its digits is 240000, while the sum is 39.

The square root of 4252156545 is about 65208.5618994929. The cubic root of 4252156545 is about 1620.0798295519.

The spelling of 4252156545 in words is "four billion, two hundred fifty-two million, one hundred fifty-six thousand, five hundred forty-five".