1452137685 has 16 divisors (see below), whose sum is σ = 2341718016. Its totient is φ = 768374208.

The previous prime is 1452137669. The next prime is 1452137689. The reversal of 1452137685 is 5867312541.

It is a happy number.

It is not a de Polignac number, because 1452137685 - 2⁴ = 1452137669 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1452137689) 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, 379234 + ... + 383043.

It is an arithmetic number, because the mean of its divisors is an integer number (146357376).

Almost surely, 2^1452137685 is an apocalyptic number.

1452137685 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1452137685 is a deficient number, since it is larger than the sum of its proper divisors (889580331).

1452137685 is a wasteful number, since it uses less digits than its factorization.

1452137685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 762412.

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

The square root of 1452137685 is about 38106.9243707755. The cubic root of 1452137685 is about 1132.4071392460.

The spelling of 1452137685 in words is "one billion, four hundred fifty-two million, one hundred thirty-seven thousand, six hundred eighty-five".