1461263156 has 12 divisors (see below), whose sum is σ = 2580671940. Its totient is φ = 723928320.

The previous prime is 1461263147. The next prime is 1461263161. The reversal of 1461263156 is 6513621641.

It can be written as a sum of positive squares in 2 ways, for example, as 333646756 + 1127616400 = 18266^2 + 33580^2 .

It is a super-2 number, since 2×1461263156² = 4270580022166160672, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1675325 + ... + 1676196.

It is an arithmetic number, because the mean of its divisors is an integer number (215055995).

Almost surely, 2^1461263156 is an apocalyptic number.

It is an amenable number.

1461263156 is a deficient number, since it is larger than the sum of its proper divisors (1119408784).

1461263156 is a wasteful number, since it uses less digits than its factorization.

1461263156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3351634 (or 3351632 counting only the distinct ones).

The product of its digits is 25920, while the sum is 35.

The square root of 1461263156 is about 38226.4719271868. The cubic root of 1461263156 is about 1134.7742649784.

Adding to 1461263156 its reverse (6513621641), we get a palindrome (7974884797).

The spelling of 1461263156 in words is "one billion, four hundred sixty-one million, two hundred sixty-three thousand, one hundred fifty-six".