143254345 has 16 divisors (see below), whose sum is σ = 191514960. Its totient is φ = 102138624.

The previous prime is 143254339. The next prime is 143254351. The reversal of 143254345 is 543452341.

It is an interprime number because it is at equal distance from previous prime (143254339) and next prime (143254351).

It can be written as a sum of positive squares in 8 ways, for example, as 11532816 + 131721529 = 3396^2 + 11477^2 .

It is a cyclic number.

It is not a de Polignac number, because 143254345 - 2⁷ = 143254217 is a prime.

It is a super-2 number, since 2×143254345² = 41043614722758050, which contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36114 + ... + 39883.

It is an arithmetic number, because the mean of its divisors is an integer number (11969685).

Almost surely, 2^143254345 is an apocalyptic number.

It is an amenable number.

143254345 is a deficient number, since it is larger than the sum of its proper divisors (48260615).

143254345 is a wasteful number, since it uses less digits than its factorization.

143254345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76044.

The product of its digits is 28800, while the sum is 31.

The square root of 143254345 is about 11968.8907171885. The cubic root of 143254345 is about 523.2420049247.

The spelling of 143254345 in words is "one hundred forty-three million, two hundred fifty-four thousand, three hundred forty-five".