140143151550 has 48 divisors (see below), whose sum is σ = 350208156672. Its totient is φ = 37086223200.

The previous prime is 140143151531. The next prime is 140143151557. The reversal of 140143151550 is 55151341041.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140143151557) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3546334 + ... + 3585633.

It is an arithmetic number, because the mean of its divisors is an integer number (7296003264).

Almost surely, 2^140143151550 is an apocalyptic number.

140143151550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

140143151550 is an abundant number, since it is smaller than the sum of its proper divisors (210065005122).

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

140143151550 is a wasteful number, since it uses less digits than its factorization.

140143151550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7132113 (or 7132108 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 30.

Adding to 140143151550 its reverse (55151341041), we get a palindrome (195294492591).

It can be divided in two parts, 14014315 and 1550, that added together give a triangular number (14015865 = T₅₂₉₄).

The spelling of 140143151550 in words is "one hundred forty billion, one hundred forty-three million, one hundred fifty-one thousand, five hundred fifty".