1401775045 has 8 divisors (see below), whose sum is σ = 1835051040. Its totient is φ = 1019472720.

The previous prime is 1401775031. The next prime is 1401775079. The reversal of 1401775045 is 5405771041.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1401775045 - 2⁵ = 1401775013 is a prime.

It is a super-4 number, since 4×1401775045⁴ (a number of 38 digits) contains 4444 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1401775045.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12743355 + ... + 12743464.

It is an arithmetic number, because the mean of its divisors is an integer number (229381380).

Almost surely, 2^1401775045 is an apocalyptic number.

It is an amenable number.

1401775045 is a deficient number, since it is larger than the sum of its proper divisors (433275995).

1401775045 is a wasteful number, since it uses less digits than its factorization.

1401775045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25486835.

The product of its (nonzero) digits is 19600, while the sum is 34.

The square root of 1401775045 is about 37440.2863904645. The cubic root of 1401775045 is about 1119.1615336476.

The spelling of 1401775045 in words is "one billion, four hundred one million, seven hundred seventy-five thousand, forty-five".