1401553145 has 16 divisors (see below), whose sum is σ = 1774846080. Its totient is φ = 1059552000.

The previous prime is 1401553129. The next prime is 1401553163. The reversal of 1401553145 is 5413551041.

It is not a de Polignac number, because 1401553145 - 2⁴ = 1401553129 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19700 + ... + 56490.

It is an arithmetic number, because the mean of its divisors is an integer number (110927880).

Almost surely, 2^1401553145 is an apocalyptic number.

It is an amenable number.

1401553145 is a deficient number, since it is larger than the sum of its proper divisors (373292935).

1401553145 is a wasteful number, since it uses less digits than its factorization.

1401553145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37216.

The product of its (nonzero) digits is 6000, while the sum is 29.

The square root of 1401553145 is about 37437.3228877280. The cubic root of 1401553145 is about 1119.1024763710.

The spelling of 1401553145 in words is "one billion, four hundred one million, five hundred fifty-three thousand, one hundred forty-five".