142261995 has 16 divisors (see below), whose sum is σ = 228471840. Its totient is φ = 75588864.

The previous prime is 142261991. The next prime is 142262009. The reversal of 142261995 is 599162241.

It is not a de Polignac number, because 142261995 - 2² = 142261991 is a prime.

It is not an unprimeable number, because it can be changed into a prime (142261991) 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, 13594 + ... + 21663.

It is an arithmetic number, because the mean of its divisors is an integer number (14279490).

Almost surely, 2^142261995 is an apocalyptic number.

142261995 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

142261995 is a deficient number, since it is larger than the sum of its proper divisors (86209845).

142261995 is a wasteful number, since it uses less digits than its factorization.

142261995 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35534.

The product of its digits is 38880, while the sum is 39.

The square root of 142261995 is about 11927.3632878352. The cubic root of 142261995 is about 522.0310054835.

The spelling of 142261995 in words is "one hundred forty-two million, two hundred sixty-one thousand, nine hundred ninety-five".