1142303400402 has 16 divisors (see below), whose sum is σ = 2286026712480. Its totient is φ = 380531148192.

The previous prime is 1142303400341. The next prime is 1142303400461. The reversal of 1142303400402 is 2040043032411.

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, 59152528 + ... + 59171835.

It is an arithmetic number, because the mean of its divisors is an integer number (142876669530).

Almost surely, 2^{1142303400402} is an apocalyptic number.

1142303400402 is an abundant number, since it is smaller than the sum of its proper divisors (1143723312078).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1142303400402 is a wasteful number, since it uses less digits than its factorization.

1142303400402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118325977.

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 1142303400402 its reverse (2040043032411), we get a palindrome (3182346432813).

The spelling of 1142303400402 in words is "one trillion, one hundred forty-two billion, three hundred three million, four hundred thousand, four hundred two".