1905948148 has 12 divisors (see below), whose sum is σ = 3591979300. Its totient is φ = 879668352.

The previous prime is 1905948139. The next prime is 1905948157. The reversal of 1905948148 is 8418495091.

It is an interprime number because it is at equal distance from previous prime (1905948139) and next prime (1905948157).

It can be written as a sum of positive squares in 2 ways, for example, as 811794064 + 1094154084 = 28492^2 + 33078^2 .

It is a hoax number, since the sum of its digits (49) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

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, 18326373 + ... + 18326476.

Almost surely, 2^1905948148 is an apocalyptic number.

It is an amenable number.

1905948148 is a deficient number, since it is larger than the sum of its proper divisors (1686031152).

1905948148 is a wasteful number, since it uses less digits than its factorization.

1905948148 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36652866 (or 36652864 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 49.

The square root of 1905948148 is about 43657.1660555286. The cubic root of 1905948148 is about 1239.8534660351.

The spelling of 1905948148 in words is "one billion, nine hundred five million, nine hundred forty-eight thousand, one hundred forty-eight".