145142776 has 16 divisors (see below), whose sum is σ = 273108600. Its totient is φ = 72313824.

The previous prime is 145142771. The next prime is 145142783. The reversal of 145142776 is 677241541.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145142771) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29791 + ... + 34318.

Almost surely, 2^145142776 is an apocalyptic number.

It is an amenable number.

145142776 is a deficient number, since it is larger than the sum of its proper divisors (127965824).

145142776 is a wasteful number, since it uses less digits than its factorization.

145142776 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64398 (or 64394 counting only the distinct ones).

The product of its digits is 47040, while the sum is 37.

The square root of 145142776 is about 12047.5215708460. The cubic root of 145142776 is about 525.5311643074.

The spelling of 145142776 in words is "one hundred forty-five million, one hundred forty-two thousand, seven hundred seventy-six".