1450243905 has 64 divisors (see below), whose sum is σ = 2691014400. Its totient is φ = 661416960.

The previous prime is 1450243903. The next prime is 1450243933. The reversal of 1450243905 is 5093420541.

It is not a de Polignac number, because 1450243905 - 2¹ = 1450243903 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (1450243901) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 809751 + ... + 811539.

It is an arithmetic number, because the mean of its divisors is an integer number (42047100).

Almost surely, 2^1450243905 is an apocalyptic number.

1450243905 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1450243905 is a deficient number, since it is larger than the sum of its proper divisors (1240770495).

1450243905 is a wasteful number, since it uses less digits than its factorization.

1450243905 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1859 (or 1825 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 33.

The square root of 1450243905 is about 38082.0680242027. The cubic root of 1450243905 is about 1131.9146554316.

The spelling of 1450243905 in words is "one billion, four hundred fifty million, two hundred forty-three thousand, nine hundred five".