944554138 has 8 divisors (see below), whose sum is σ = 1545634080. Its totient is φ = 429342780.

The previous prime is 944554123. The next prime is 944554151. The reversal of 944554138 is 831455449.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×944554138² = 1784365039225846088, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 944554094 and 944554103.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21467118 + ... + 21467161.

It is an arithmetic number, because the mean of its divisors is an integer number (193204260).

Almost surely, 2^944554138 is an apocalyptic number.

944554138 is a deficient number, since it is larger than the sum of its proper divisors (601079942).

944554138 is a wasteful number, since it uses less digits than its factorization.

944554138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42934292.

The product of its digits is 345600, while the sum is 43.

The square root of 944554138 is about 30733.5994963167. The cubic root of 944554138 is about 981.1655360621.

The spelling of 944554138 in words is "nine hundred forty-four million, five hundred fifty-four thousand, one hundred thirty-eight".