1145145152 has 14 divisors (see below), whose sum is σ = 2272397538. Its totient is φ = 572572544.

The previous prime is 1145145151. The next prime is 1145145167. The reversal of 1145145152 is 2515415411.

It can be written as a sum of positive squares in only one way, i.e., 681001216 + 464143936 = 26096^2 + 21544^2 .

It is a super-2 number, since 2×1145145152² = 2622714838298206208, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1145145151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8946383 + ... + 8946510.

Almost surely, 2^1145145152 is an apocalyptic number.

It is an amenable number.

1145145152 is a deficient number, since it is larger than the sum of its proper divisors (1127252386).

1145145152 is an equidigital number, since it uses as much as digits as its factorization.

1145145152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17892905 (or 17892895 counting only the distinct ones).

The product of its digits is 4000, while the sum is 29.

The square root of 1145145152 is about 33839.9933806140. The cubic root of 1145145152 is about 1046.2131624694.

The spelling of 1145145152 in words is "one billion, one hundred forty-five million, one hundred forty-five thousand, one hundred fifty-two".