1450144731 has 16 divisors (see below), whose sum is σ = 2213049344. Its totient is φ = 827414784.

The previous prime is 1450144723. The next prime is 1450144763. The reversal of 1450144731 is 1374410541.

It is not a de Polignac number, because 1450144731 - 2³ = 1450144723 is a prime.

It is a super-2 number, since 2×1450144731² = 4205839481694124722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1450144231) 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, 37171 + ... + 65436.

It is an arithmetic number, because the mean of its divisors is an integer number (138315584).

Almost surely, 2^1450144731 is an apocalyptic number.

1450144731 is a deficient number, since it is larger than the sum of its proper divisors (762904613).

1450144731 is a wasteful number, since it uses less digits than its factorization.

1450144731 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103290.

The product of its (nonzero) digits is 6720, while the sum is 30.

The square root of 1450144731 is about 38080.7658930332. The cubic root of 1450144731 is about 1131.8888530906. Note that the first 4 decimals are identical.

The spelling of 1450144731 in words is "one billion, four hundred fifty million, one hundred forty-four thousand, seven hundred thirty-one".