1445615651142 has 24 divisors (see below), whose sum is σ = 3373103186544. Its totient is φ = 444804815664.

The previous prime is 1445615651113. The next prime is 1445615651267. The reversal of 1445615651142 is 2411565165441.

It is a happy number.

1445615651142 is a `hidden beast` number, since 1 + 4 + 45 + 6 + 1 + 56 + 511 + 42 = 666.

It is a super-2 number, since 2×1445615651142² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3088922098 + ... + 3088922565.

It is an arithmetic number, because the mean of its divisors is an integer number (140545966106).

Almost surely, 2^{1445615651142} is an apocalyptic number.

1445615651142 is an abundant number, since it is smaller than the sum of its proper divisors (1927487535402).

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

1445615651142 is a wasteful number, since it uses less digits than its factorization.

1445615651142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6177844684 (or 6177844681 counting only the distinct ones).

The product of its digits is 576000, while the sum is 45.

The spelling of 1445615651142 in words is "one trillion, four hundred forty-five billion, six hundred fifteen million, six hundred fifty-one thousand, one hundred forty-two".