1453540156 has 12 divisors (see below), whose sum is σ = 2574342792. Its totient is φ = 718013648.

The previous prime is 1453540139. The next prime is 1453540163. The reversal of 1453540156 is 6510453541.

It is a super-2 number, since 2×1453540156² = 4225557970209008672, 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, 2188735 + ... + 2189398.

It is an arithmetic number, because the mean of its divisors is an integer number (214528566).

Almost surely, 2^1453540156 is an apocalyptic number.

It is an amenable number.

1453540156 is a deficient number, since it is larger than the sum of its proper divisors (1120802636).

1453540156 is a wasteful number, since it uses less digits than its factorization.

1453540156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4378220 (or 4378218 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 34.

The square root of 1453540156 is about 38125.3217166754. The cubic root of 1453540156 is about 1132.7715806211.

Adding to 1453540156 its reverse (6510453541), we get a palindrome (7963993697).

The spelling of 1453540156 in words is "one billion, four hundred fifty-three million, five hundred forty thousand, one hundred fifty-six".