142001190 has 48 divisors (see below), whose sum is σ = 379190448. Its totient is φ = 36842688.

The previous prime is 142001177. The next prime is 142001201. The reversal of 142001190 is 91100241.

It is a super-2 number, since 2×142001190² = 40328675922832200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 17992 + ... + 24651.

It is an arithmetic number, because the mean of its divisors is an integer number (7899801).

Almost surely, 2^142001190 is an apocalyptic number.

142001190 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

142001190 is an abundant number, since it is smaller than the sum of its proper divisors (237189258).

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

142001190 is a wasteful number, since it uses less digits than its factorization.

142001190 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42693 (or 42690 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

The square root of 142001190 is about 11916.4252189992. The cubic root of 142001190 is about 521.7118019834.

The spelling of 142001190 in words is "one hundred forty-two million, one thousand, one hundred ninety".