1915142 has 12 divisors (see below), whose sum is σ = 2928660. Its totient is φ = 939228.

The previous prime is 1915117. The next prime is 1915153. The reversal of 1915142 is 2415191.

1915142 = 109² + 110² + ... + 191².

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 13709 + ... + 13847.

It is an arithmetic number, because the mean of its divisors is an integer number (244055).

2^1915142 is an apocalyptic number.

1915142 is a deficient number, since it is larger than the sum of its proper divisors (1013518).

1915142 is an equidigital number, since it uses as much as digits as its factorization.

1915142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 307 (or 224 counting only the distinct ones).

The product of its digits is 360, while the sum is 23.

The square root of 1915142 is about 1383.8865560442. The cubic root of 1915142 is about 124.1843857621.

The spelling of 1915142 in words is "one million, nine hundred fifteen thousand, one hundred forty-two".