145042794 has 24 divisors (see below), whose sum is σ = 338433732. Its totient is φ = 44628480.

The previous prime is 145042787. The next prime is 145042813. The reversal of 145042794 is 497240541.

It is a happy number.

145042794 is a `hidden beast` number, since 145 + 0 + 427 + 94 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 111830625 + 33212169 = 10575^2 + 5763^2 .

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 11 ways as a sum of consecutive naturals, for example, 309687 + ... + 310154.

Almost surely, 2^145042794 is an apocalyptic number.

145042794 is an abundant number, since it is smaller than the sum of its proper divisors (193390938).

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

145042794 is a wasteful number, since it uses less digits than its factorization.

145042794 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 619862 (or 619859 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 36.

The square root of 145042794 is about 12043.3713718377. The cubic root of 145042794 is about 525.4104653931.

It can be divided in two parts, 1450 and 42794, that added together give a palindrome (44244).

The spelling of 145042794 in words is "one hundred forty-five million, forty-two thousand, seven hundred ninety-four".