1401145045 has 16 divisors (see below), whose sum is σ = 1732777200. Its totient is φ = 1086856704.

The previous prime is 1401145013. The next prime is 1401145061. The reversal of 1401145045 is 5405411041.

It can be written as a sum of positive squares in 8 ways, for example, as 13060996 + 1388084049 = 3614^2 + 37257^2 .

It is a cyclic number.

It is not a de Polignac number, because 1401145045 - 2⁵ = 1401145013 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41281 + ... + 67129.

It is an arithmetic number, because the mean of its divisors is an integer number (108298575).

Almost surely, 2^1401145045 is an apocalyptic number.

It is an amenable number.

1401145045 is a deficient number, since it is larger than the sum of its proper divisors (331632155).

1401145045 is a wasteful number, since it uses less digits than its factorization.

1401145045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26184.

The product of its (nonzero) digits is 1600, while the sum is 25.

The square root of 1401145045 is about 37431.8720477617. The cubic root of 1401145045 is about 1118.9938468703.

Adding to 1401145045 its reverse (5405411041), we get a palindrome (6806556086).

The spelling of 1401145045 in words is "one billion, four hundred one million, one hundred forty-five thousand, forty-five".