1401245454 has 48 divisors (see below), whose sum is σ = 3268072656. Its totient is φ = 399369600.

The previous prime is 1401245449. The next prime is 1401245471. The reversal of 1401245454 is 4545421041.

It is a super-2 number, since 2×1401245454² = 3926977644711332232, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 118114 + ... + 129434.

It is an arithmetic number, because the mean of its divisors is an integer number (68084847).

Almost surely, 2^1401245454 is an apocalyptic number.

1401245454 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1401245454, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1634036328).

1401245454 is an abundant number, since it is smaller than the sum of its proper divisors (1866827202).

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

1401245454 is a wasteful number, since it uses less digits than its factorization.

1401245454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11761 (or 11754 counting only the distinct ones).

The product of its (nonzero) digits is 12800, while the sum is 30.

The square root of 1401245454 is about 37433.2132470618. The cubic root of 1401245454 is about 1119.0205760491.

Adding to 1401245454 its reverse (4545421041), we get a palindrome (5946666495).

The spelling of 1401245454 in words is "one billion, four hundred one million, two hundred forty-five thousand, four hundred fifty-four".