290143172 has 48 divisors (see below), whose sum is σ = 567595392. Its totient is φ = 128666880.

The previous prime is 290143163. The next prime is 290143177. The reversal of 290143172 is 271341092.

It is not an unprimeable number, because it can be changed into a prime (290143177) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 330398 + ... + 331274.

It is an arithmetic number, because the mean of its divisors is an integer number (11824904).

Almost surely, 2^290143172 is an apocalyptic number.

290143172 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

290143172 is a deficient number, since it is larger than the sum of its proper divisors (277452220).

290143172 is a wasteful number, since it uses less digits than its factorization.

290143172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1068 (or 1066 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 29.

The square root of 290143172 is about 17033.5895218829. The cubic root of 290143172 is about 662.0195045412.

The spelling of 290143172 in words is "two hundred ninety million, one hundred forty-three thousand, one hundred seventy-two".