80143425 has 60 divisors (see below), whose sum is σ = 156341680. Its totient is φ = 40474080.

The previous prime is 80143421. The next prime is 80143429. The reversal of 80143425 is 52434108.

80143425 = T₂₈₉₅ + T₂₈₉₆ + ... + T₂₉₁₃.

It is an interprime number because it is at equal distance from previous prime (80143421) and next prime (80143429).

It is not a de Polignac number, because 80143425 - 2² = 80143421 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (80143421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 37434 + ... + 39516.

Almost surely, 2^80143425 is an apocalyptic number.

It is an amenable number.

80143425 is a deficient number, since it is larger than the sum of its proper divisors (76198255).

80143425 is a wasteful number, since it uses less digits than its factorization.

80143425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2124 (or 2110 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

The square root of 80143425 is about 8952.2860208999. The cubic root of 80143425 is about 431.1442841060.

The spelling of 80143425 in words is "eighty million, one hundred forty-three thousand, four hundred twenty-five".