1401102545 has 8 divisors (see below), whose sum is σ = 1681981224. Its totient is φ = 1120443264.

The previous prime is 1401102529. The next prime is 1401102587. The reversal of 1401102545 is 5452011041.

It can be written as a sum of positive squares in 4 ways, for example, as 347710609 + 1053391936 = 18647^2 + 32456^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 1401102545 - 2⁴ = 1401102529 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1401102545.

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, 40454 + ... + 66623.

It is an arithmetic number, because the mean of its divisors is an integer number (210247653).

Almost surely, 2^1401102545 is an apocalyptic number.

It is an amenable number.

1401102545 is a deficient number, since it is larger than the sum of its proper divisors (280878679).

1401102545 is a wasteful number, since it uses less digits than its factorization.

1401102545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109699.

The product of its (nonzero) digits is 800, while the sum is 23.

The square root of 1401102545 is about 37431.3043454272. The cubic root of 1401102545 is about 1118.9825328574.

Adding to 1401102545 its reverse (5452011041), we get a palindrome (6853113586).

The spelling of 1401102545 in words is "one billion, four hundred one million, one hundred two thousand, five hundred forty-five".