140144152 has 32 divisors (see below), whose sum is σ = 288633600. Its totient is φ = 63496224.

The previous prime is 140144143. The next prime is 140144161. The reversal of 140144152 is 251441041.

It is an interprime number because it is at equal distance from previous prime (140144143) and next prime (140144161).

It is a super-3 number, since 3×140144152³ (a number of 25 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16548 + ... + 23539.

It is an arithmetic number, because the mean of its divisors is an integer number (9019800).

Almost surely, 2^140144152 is an apocalyptic number.

It is an amenable number.

140144152 is an abundant number, since it is smaller than the sum of its proper divisors (148489448).

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

140144152 is a wasteful number, since it uses less digits than its factorization.

140144152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40135 (or 40131 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 22.

The square root of 140144152 is about 11838.2495327645. The cubic root of 140144152 is about 519.4275653409.

Adding to 140144152 its reverse (251441041), we get a palindrome (391585193).

The spelling of 140144152 in words is "one hundred forty million, one hundred forty-four thousand, one hundred fifty-two".