945742254 has 16 divisors (see below), whose sum is σ = 1896939648. Its totient is φ = 314338232.

The previous prime is 945742253. The next prime is 945742261. The reversal of 945742254 is 452247549.

It is a happy number.

It is a super-2 number, since 2×945742254² = 1788856822002001032, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (945742253) 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 7 ways as a sum of consecutive naturals, for example, 225042 + ... + 229205.

It is an arithmetic number, because the mean of its divisors is an integer number (118558728).

Almost surely, 2^945742254 is an apocalyptic number.

945742254 is an abundant number, since it is smaller than the sum of its proper divisors (951197394).

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

945742254 is a wasteful number, since it uses less digits than its factorization.

945742254 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 454599.

The product of its digits is 403200, while the sum is 42.

The square root of 945742254 is about 30752.9226903720. The cubic root of 945742254 is about 981.5767530191.

The spelling of 945742254 in words is "nine hundred forty-five million, seven hundred forty-two thousand, two hundred fifty-four".