1452944157 has 32 divisors (see below), whose sum is σ = 2326781952. Its totient is φ = 789009984.

The previous prime is 1452944149. The next prime is 1452944191. The reversal of 1452944157 is 7514492541.

It is not a de Polignac number, because 1452944157 - 2³ = 1452944149 is a prime.

It is a super-2 number, since 2×1452944157² = 4222093446720881298, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1452944107) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11668 + ... + 55154.

It is an arithmetic number, because the mean of its divisors is an integer number (72711936).

Almost surely, 2^1452944157 is an apocalyptic number.

It is an amenable number.

1452944157 is a deficient number, since it is larger than the sum of its proper divisors (873837795).

1452944157 is a wasteful number, since it uses less digits than its factorization.

1452944157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43577.

The product of its digits is 201600, while the sum is 42.

The square root of 1452944157 is about 38117.5046009048. The cubic root of 1452944157 is about 1132.6167349906.

The spelling of 1452944157 in words is "one billion, four hundred fifty-two million, nine hundred forty-four thousand, one hundred fifty-seven".