1400145054 has 64 divisors (see below), whose sum is σ = 3516549120. Its totient is φ = 361041120.

The previous prime is 1400145053. The next prime is 1400145067. The reversal of 1400145054 is 4505410041.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1400145053) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 53317 + ... + 75119.

It is an arithmetic number, because the mean of its divisors is an integer number (54946080).

Almost surely, 2^1400145054 is an apocalyptic number.

1400145054 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 1400145054, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1758274560).

1400145054 is an abundant number, since it is smaller than the sum of its proper divisors (2116404066).

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

1400145054 is a wasteful number, since it uses less digits than its factorization.

1400145054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21965.

The product of its (nonzero) digits is 1600, while the sum is 24.

The square root of 1400145054 is about 37418.5121831427. The cubic root of 1400145054 is about 1118.7275765342.

Adding to 1400145054 its reverse (4505410041), we get a palindrome (5905555095).

The spelling of 1400145054 in words is "one billion, four hundred million, one hundred forty-five thousand, fifty-four".