762042145 has 4 divisors (see below), whose sum is σ = 914450580. Its totient is φ = 609633712.

The previous prime is 762042143. The next prime is 762042163. The reversal of 762042145 is 541240267.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 541240267 = 2357 ⋅229631.

It can be written as a sum of positive squares in 2 ways, for example, as 208051776 + 553990369 = 14424^2 + 23537^2 .

It is a cyclic number.

It is not a de Polignac number, because 762042145 - 2¹ = 762042143 is a prime.

It is not an unprimeable number, because it can be changed into a prime (762042143) 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 3 ways as a sum of consecutive naturals, for example, 76204210 + ... + 76204219.

It is an arithmetic number, because the mean of its divisors is an integer number (228612645).

Almost surely, 2^762042145 is an apocalyptic number.

It is an amenable number.

762042145 is a deficient number, since it is larger than the sum of its proper divisors (152408435).

762042145 is a wasteful number, since it uses less digits than its factorization.

762042145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152408434.

The product of its (nonzero) digits is 13440, while the sum is 31.

The square root of 762042145 is about 27605.1108492612. The cubic root of 762042145 is about 913.3971740263.

The spelling of 762042145 in words is "seven hundred sixty-two million, forty-two thousand, one hundred forty-five".