1452400191 has 12 divisors (see below), whose sum is σ = 2288630760. Its totient is φ = 880242480.

The previous prime is 1452400177. The next prime is 1452400193. The reversal of 1452400191 is 1910042541.

It is not a de Polignac number, because 1452400191 - 2⁹ = 1452399679 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1452400193) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7335256 + ... + 7335453.

It is an arithmetic number, because the mean of its divisors is an integer number (190719230).

Almost surely, 2^1452400191 is an apocalyptic number.

1452400191 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1452400191 is a deficient number, since it is larger than the sum of its proper divisors (836230569).

1452400191 is a wasteful number, since it uses less digits than its factorization.

1452400191 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14670726 (or 14670723 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 27.

The square root of 1452400191 is about 38110.3685497792. The cubic root of 1452400191 is about 1132.4753710124.

The spelling of 1452400191 in words is "one billion, four hundred fifty-two million, four hundred thousand, one hundred ninety-one".