43145257092 has 24 divisors (see below), whose sum is σ = 115054019136. Its totient is φ = 12327216288.

The previous prime is 43145257091. The next prime is 43145257093. The reversal of 43145257092 is 29075254134.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (43145257091) and next prime (43145257093).

It is a Harshad number since it is a multiple of its sum of digits (42).

It is not an unprimeable number, because it can be changed into a prime (43145257091) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 256816923 + ... + 256817090.

It is an arithmetic number, because the mean of its divisors is an integer number (4793917464).

Almost surely, 2^43145257092 is an apocalyptic number.

43145257092 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

43145257092 is an abundant number, since it is smaller than the sum of its proper divisors (71908762044).

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

43145257092 is a wasteful number, since it uses less digits than its factorization.

43145257092 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 513634027 (or 513634025 counting only the distinct ones).

The product of its (nonzero) digits is 302400, while the sum is 42.

The spelling of 43145257092 in words is "forty-three billion, one hundred forty-five million, two hundred fifty-seven thousand, ninety-two".