144186942 has 32 divisors (see below), whose sum is σ = 295799040. Its totient is φ = 46840640.

The previous prime is 144186941. The next prime is 144186943. The reversal of 144186942 is 249681441.

It is an interprime number because it is at equal distance from previous prime (144186941) and next prime (144186943).

It is a super-2 number, since 2×144186942² = 41579748486622728, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 144186942.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144186941) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36013 + ... + 39815.

It is an arithmetic number, because the mean of its divisors is an integer number (9243720).

Almost surely, 2^144186942 is an apocalyptic number.

144186942 is an abundant number, since it is smaller than the sum of its proper divisors (151612098).

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

144186942 is a wasteful number, since it uses less digits than its factorization.

144186942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3968.

The product of its digits is 55296, while the sum is 39.

The square root of 144186942 is about 12007.7867236223. The cubic root of 144186942 is about 524.3749986480.

The spelling of 144186942 in words is "one hundred forty-four million, one hundred eighty-six thousand, nine hundred forty-two".