1145062251 has 40 divisors (see below), whose sum is σ = 1818908784. Its totient is φ = 715392000.

The previous prime is 1145062211. The next prime is 1145062271. The reversal of 1145062251 is 1522605411.

It is not a de Polignac number, because 1145062251 - 2²² = 1140867947 is a prime.

It is a super-2 number, since 2×1145062251² = 2622335117330374002, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (1145062201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 343971 + ... + 347283.

Almost surely, 2^1145062251 is an apocalyptic number.

1145062251 is a deficient number, since it is larger than the sum of its proper divisors (673846533).

1145062251 is a wasteful number, since it uses less digits than its factorization.

1145062251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3593 (or 3584 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 27.

The square root of 1145062251 is about 33838.7684616329. The cubic root of 1145062251 is about 1046.1879155359.

Adding to 1145062251 its reverse (1522605411), we get a palindrome (2667667662).

The spelling of 1145062251 in words is "one billion, one hundred forty-five million, sixty-two thousand, two hundred fifty-one".