14451261945 has 16 divisors (see below), whose sum is σ = 23148957120. Its totient is φ = 7698360384.

The previous prime is 14451261941. The next prime is 14451261949. The reversal of 14451261945 is 54916215441.

It is an interprime number because it is at equal distance from previous prime (14451261941) and next prime (14451261949).

It is not a de Polignac number, because 14451261945 - 2² = 14451261941 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 14451261897 and 14451261906.

It is not an unprimeable number, because it can be changed into a prime (14451261941) 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, 547894 + ... + 573663.

It is an arithmetic number, because the mean of its divisors is an integer number (1446809820).

Almost surely, 2^14451261945 is an apocalyptic number.

14451261945 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

14451261945 is a deficient number, since it is larger than the sum of its proper divisors (8697695175).

14451261945 is a wasteful number, since it uses less digits than its factorization.

14451261945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1122424.

The product of its digits is 172800, while the sum is 42.

It can be divided in two parts, 14451 and 261945, that added together give a triangular number (276396 = T₇₄₃).

The spelling of 14451261945 in words is "fourteen billion, four hundred fifty-one million, two hundred sixty-one thousand, nine hundred forty-five".