945863142 has 32 divisors (see below), whose sum is σ = 2175758592. Its totient is φ = 268523424.

The previous prime is 945863123. The next prime is 945863167. The reversal of 945863142 is 241368549.

945863142 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×945863142² = 1789314166788224328, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a junction number, because it is equal to n+sod(n) for n = 945863094 and 945863103.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 65128 + ... + 78315.

It is an arithmetic number, because the mean of its divisors is an integer number (67992456).

Almost surely, 2^945863142 is an apocalyptic number.

945863142 is an abundant number, since it is smaller than the sum of its proper divisors (1229895450).

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

945863142 is a wasteful number, since it uses less digits than its factorization.

945863142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143612.

The product of its digits is 207360, while the sum is 42.

The square root of 945863142 is about 30754.8880992924. Note that the first 3 decimals coincide. The cubic root of 945863142 is about 981.6185740666.

The spelling of 945863142 in words is "nine hundred forty-five million, eight hundred sixty-three thousand, one hundred forty-two".