7149156 has 24 divisors (see below), whose sum is σ = 19064640. Its totient is φ = 2042592.

The previous prime is 7149143. The next prime is 7149161. The reversal of 7149156 is 6519417.

It is a super-2 number, since 2×7149156² = 102220863024672, which contains 22 as substring.

It is an Ulam number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 42471 + ... + 42638.

It is an arithmetic number, because the mean of its divisors is an integer number (794360).

Almost surely, 2^7149156 is an apocalyptic number.

It is an amenable number.

7149156 is an abundant number, since it is smaller than the sum of its proper divisors (11915484).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7149156 is a wasteful number, since it uses less digits than its factorization.

7149156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85123 (or 85121 counting only the distinct ones).

The product of its digits is 7560, while the sum is 33.

The square root of 7149156 is about 2673.7905677147. The cubic root of 7149156 is about 192.6422718415.

It can be divided in two parts, 714 and 9156, that added together give a triangular number (9870 = T₁₄₀).

The spelling of 7149156 in words is "seven million, one hundred forty-nine thousand, one hundred fifty-six".