1452404156 has 48 divisors (see below), whose sum is σ = 3115445760. Its totient is φ = 578560320.

The previous prime is 1452404143. The next prime is 1452404159. The reversal of 1452404156 is 6514042541.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1452404159) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2441 + ... + 53951.

It is an arithmetic number, because the mean of its divisors is an integer number (64905120).

Almost surely, 2^1452404156 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1452404156, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1557722880).

1452404156 is an abundant number, since it is smaller than the sum of its proper divisors (1663041604).

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

1452404156 is a wasteful number, since it uses less digits than its factorization.

1452404156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51594 (or 51592 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 32.

The square root of 1452404156 is about 38110.4205697077. The cubic root of 1452404156 is about 1132.4764015504.

Adding to 1452404156 its reverse (6514042541), we get a palindrome (7966446697).

The spelling of 1452404156 in words is "one billion, four hundred fifty-two million, four hundred four thousand, one hundred fifty-six".