145446283787 has 16 divisors (see below), whose sum is σ = 173783216640. Its totient is φ = 119019808512.

The previous prime is 145446283757. The next prime is 145446283793. The reversal of 145446283787 is 787382644541.

It is a cyclic number.

It is not a de Polignac number, because 145446283787 - 2³⁶ = 76726807051 is a prime.

It is a super-2 number, since 2×145446283787² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (145446283757) by changing a digit.

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, 779462 + ... + 947867.

It is an arithmetic number, because the mean of its divisors is an integer number (10861451040).

Almost surely, 2^145446283787 is an apocalyptic number.

145446283787 is a deficient number, since it is larger than the sum of its proper divisors (28336932853).

145446283787 is a wasteful number, since it uses less digits than its factorization.

145446283787 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1727882.

The product of its digits is 36126720, while the sum is 59.

The spelling of 145446283787 in words is "one hundred forty-five billion, four hundred forty-six million, two hundred eighty-three thousand, seven hundred eighty-seven".