1454137944 has 64 divisors (see below), whose sum is σ = 4373356800. Its totient is φ = 393600384.

The previous prime is 1454137943. The next prime is 1454137969. The reversal of 1454137944 is 4497314541.

It is a happy number.

It is a super-2 number, since 2×1454137944² = 4229034320361094272, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a junction number, because it is equal to n+sod(n) for n = 1454137896 and 1454137905.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1454137943) 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, 224587 + ... + 230970.

It is an arithmetic number, because the mean of its divisors is an integer number (68333700).

Almost surely, 2^1454137944 is an apocalyptic number.

1454137944 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1454137944 is an abundant number, since it is smaller than the sum of its proper divisors (2919218856).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1454137944 is a wasteful number, since it uses less digits than its factorization.

1454137944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 455592 (or 455588 counting only the distinct ones).

The product of its digits is 241920, while the sum is 42.

The square root of 1454137944 is about 38133.1606872549. The cubic root of 1454137944 is about 1132.9268485362.

The spelling of 1454137944 in words is "one billion, four hundred fifty-four million, one hundred thirty-seven thousand, nine hundred forty-four".