145436049 has 24 divisors (see below), whose sum is σ = 230866272. Its totient is φ = 87491520.

The previous prime is 145436047. The next prime is 145436059. The reversal of 145436049 is 940634541.

145436049 is a `hidden beast` number, since 1 + 4 + 5 + 43 + 604 + 9 = 666.

It is not a de Polignac number, because 145436049 - 2¹ = 145436047 is a prime.

It is not an unprimeable number, because it can be changed into a prime (145436047) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 8202 + ... + 18924.

It is an arithmetic number, because the mean of its divisors is an integer number (9619428).

Almost surely, 2^145436049 is an apocalyptic number.

It is an amenable number.

145436049 is a deficient number, since it is larger than the sum of its proper divisors (85430223).

145436049 is a wasteful number, since it uses less digits than its factorization.

145436049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10877 (or 10874 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

The square root of 145436049 is about 12059.6869362351. The cubic root of 145436049 is about 525.8848859208.

The spelling of 145436049 in words is "one hundred forty-five million, four hundred thirty-six thousand, forty-nine".