1451149553 has 12 divisors (see below), whose sum is σ = 1711200420. Its totient is φ = 1226800512.

The previous prime is 1451149547. The next prime is 1451149559. The reversal of 1451149553 is 3559411541.

It is an interprime number because it is at equal distance from previous prime (1451149547) and next prime (1451149559).

It can be written as a sum of positive squares in 2 ways, for example, as 796199089 + 654950464 = 28217^2 + 25592^2 .

It is not a de Polignac number, because 1451149553 - 2⁴ = 1451149537 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1451149559) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 199268 + ... + 206421.

It is an arithmetic number, because the mean of its divisors is an integer number (142600035).

Almost surely, 2^1451149553 is an apocalyptic number.

It is an amenable number.

1451149553 is a deficient number, since it is larger than the sum of its proper divisors (260050867).

1451149553 is an equidigital number, since it uses as much as digits as its factorization.

1451149553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 405776 (or 405769 counting only the distinct ones).

The product of its digits is 54000, while the sum is 38.

The square root of 1451149553 is about 38093.9569092002. The cubic root of 1451149553 is about 1132.1502256751.

The spelling of 1451149553 in words is "one billion, four hundred fifty-one million, one hundred forty-nine thousand, five hundred fifty-three".