1156849225 has 24 divisors (see below), whose sum is σ = 1654769088. Its totient is φ = 785841600.

The previous prime is 1156849217. The next prime is 1156849231. The reversal of 1156849225 is 5229486511.

It is not a de Polignac number, because 1156849225 - 2³ = 1156849217 is a prime.

It is a hoax number, since the sum of its digits (43) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12166 + ... + 49615.

It is an arithmetic number, because the mean of its divisors is an integer number (68948712).

Almost surely, 2^1156849225 is an apocalyptic number.

It is an amenable number.

1156849225 is a deficient number, since it is larger than the sum of its proper divisors (497919863).

1156849225 is a wasteful number, since it uses less digits than its factorization.

1156849225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61905 (or 61900 counting only the distinct ones).

The product of its digits is 172800, while the sum is 43.

The square root of 1156849225 is about 34012.4863101773. The cubic root of 1156849225 is about 1049.7653973218.

The spelling of 1156849225 in words is "one billion, one hundred fifty-six million, eight hundred forty-nine thousand, two hundred twenty-five".