2145651413402 has 32 divisors (see below), whose sum is σ = 3872183011200. Its totient is φ = 871092301248.

The previous prime is 2145651413281. The next prime is 2145651413429. The reversal of 2145651413402 is 2043141565412.

It is a Harshad number since it is a multiple of its sum of digits (38).

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, 2829128 + ... + 3506460.

It is an arithmetic number, because the mean of its divisors is an integer number (121005719100).

Almost surely, 2^{2145651413402} is an apocalyptic number.

2145651413402 is a deficient number, since it is larger than the sum of its proper divisors (1726531597798).

2145651413402 is a wasteful number, since it uses less digits than its factorization.

2145651413402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 689270.

The product of its (nonzero) digits is 115200, while the sum is 38.

Adding to 2145651413402 its reverse (2043141565412), we get a palindrome (4188792978814).

The spelling of 2145651413402 in words is "two trillion, one hundred forty-five billion, six hundred fifty-one million, four hundred thirteen thousand, four hundred two".