143242450 has 24 divisors (see below), whose sum is σ = 286926948. Its totient is φ = 52889280.

The previous prime is 143242403. The next prime is 143242453. The reversal of 143242450 is 54242341.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 48316401 + 94926049 = 6951^2 + 9743^2 .

It is a Harshad number since it is a multiple of its sum of digits (25).

It is not an unprimeable number, because it can be changed into a prime (143242453) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 109537 + ... + 110836.

Almost surely, 2^143242450 is an apocalyptic number.

143242450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

143242450 is an abundant number, since it is smaller than the sum of its proper divisors (143684498).

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

143242450 is a wasteful number, since it uses less digits than its factorization.

143242450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 220398 (or 220393 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 25.

The square root of 143242450 is about 11968.3937936550. The cubic root of 143242450 is about 523.2275222089.

Adding to 143242450 its reverse (54242341), we get a palindrome (197484791).

The spelling of 143242450 in words is "one hundred forty-three million, two hundred forty-two thousand, four hundred fifty".