7145402 has 8 divisors (see below), whose sum is σ = 11692512. Its totient is φ = 3247900.

The previous prime is 7145399. The next prime is 7145417. The reversal of 7145402 is 2045417.

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

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 3 ways as a sum of consecutive naturals, for example, 162374 + ... + 162417.

It is an arithmetic number, because the mean of its divisors is an integer number (1461564).

Almost surely, 2^7145402 is an apocalyptic number.

7145402 is a deficient number, since it is larger than the sum of its proper divisors (4547110).

7145402 is a wasteful number, since it uses less digits than its factorization.

7145402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 324804.

The product of its (nonzero) digits is 1120, while the sum is 23.

The square root of 7145402 is about 2673.0884759020. The cubic root of 7145402 is about 192.6085473149.

It can be divided in two parts, 714 and 5402, that added together give a palindrome (6116).

The spelling of 7145402 in words is "seven million, one hundred forty-five thousand, four hundred two".