905705148 has 48 divisors (see below), whose sum is σ = 2301264000. Its totient is φ = 276147648.

The previous prime is 905705147. The next prime is 905705159. The reversal of 905705148 is 841507509.

It is a super-2 number, since 2×905705148² = 1640603630227403808, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (905705147) 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, 61878 + ... + 75101.

It is an arithmetic number, because the mean of its divisors is an integer number (47943000).

Almost surely, 2^905705148 is an apocalyptic number.

It is an amenable number.

905705148 is an abundant number, since it is smaller than the sum of its proper divisors (1395558852).

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

905705148 is a wasteful number, since it uses less digits than its factorization.

905705148 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137034 (or 137032 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 39.

The square root of 905705148 is about 30094.9355872379. The cubic root of 905705148 is about 967.5251851973.

The spelling of 905705148 in words is "nine hundred five million, seven hundred five thousand, one hundred forty-eight".