1002145421354 has 32 divisors (see below), whose sum is σ = 1874350858752. Its totient is φ = 390402774000.

The previous prime is 1002145421287. The next prime is 1002145421363. The reversal of 1002145421354 is 4531245412001.

It is a self number, because there is not a number n which added to its sum of digits gives 1002145421354.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1042109 + ... + 1757919.

It is an arithmetic number, because the mean of its divisors is an integer number (58573464336).

Almost surely, 2^{1002145421354} is an apocalyptic number.

1002145421354 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1002145421354 is a deficient number, since it is larger than the sum of its proper divisors (872205437398).

1002145421354 is a wasteful number, since it uses less digits than its factorization.

1002145421354 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 724922.

The product of its (nonzero) digits is 19200, while the sum is 32.

The spelling of 1002145421354 in words is "one trillion, two billion, one hundred forty-five million, four hundred twenty-one thousand, three hundred fifty-four".