7545662442 has 24 divisors (see below), whose sum is σ = 16350626916. Its totient is φ = 2514960576.

The previous prime is 7545662441. The next prime is 7545662459. The reversal of 7545662442 is 2442665457.

7545662442 is a `hidden beast` number, since 7 + 545 + 6 + 62 + 4 + 42 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 7510128921 + 35533521 = 86661^2 + 5961^2 .

It is not an unprimeable number, because it can be changed into a prime (7545662441) 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 11 ways as a sum of consecutive naturals, for example, 247248 + ... + 276084.

Almost surely, 2^7545662442 is an apocalyptic number.

7545662442 is an abundant number, since it is smaller than the sum of its proper divisors (8804964474).

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

7545662442 is a wasteful number, since it uses less digits than its factorization.

7545662442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43382 (or 43379 counting only the distinct ones).

The product of its digits is 1612800, while the sum is 45.

The square root of 7545662442 is about 86865.7725574348. The cubic root of 7545662442 is about 1961.3982839357.

The spelling of 7545662442 in words is "seven billion, five hundred forty-five million, six hundred sixty-two thousand, four hundred forty-two".