143457490 has 32 divisors (see below), whose sum is σ = 291418560. Its totient is φ = 50366400.

The previous prime is 143457487. The next prime is 143457493. The reversal of 143457490 is 94754341.

143457490 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (143457487) and next prime (143457493).

It is not an unprimeable number, because it can be changed into a prime (143457493) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19296 + ... + 25675.

It is an arithmetic number, because the mean of its divisors is an integer number (9106830).

Almost surely, 2^143457490 is an apocalyptic number.

143457490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

143457490 is an abundant number, since it is smaller than the sum of its proper divisors (147961070).

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

143457490 is a wasteful number, since it uses less digits than its factorization.

143457490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45018.

The product of its (nonzero) digits is 60480, while the sum is 37.

The square root of 143457490 is about 11977.3740861676. The cubic root of 143457490 is about 523.4892197473.

The spelling of 143457490 in words is "one hundred forty-three million, four hundred fifty-seven thousand, four hundred ninety".