145232099 has 8 divisors (see below), whose sum is σ = 149568000. Its totient is φ = 140958792.

The previous prime is 145232093. The next prime is 145232107. The reversal of 145232099 is 990232541.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 145232099 - 2⁴ = 145232083 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (145232093) 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, 10919 + ... + 20240.

It is an arithmetic number, because the mean of its divisors is an integer number (18696000).

Almost surely, 2^145232099 is an apocalyptic number.

145232099 is a deficient number, since it is larger than the sum of its proper divisors (4335901).

145232099 is an equidigital number, since it uses as much as digits as its factorization.

145232099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31297.

The product of its (nonzero) digits is 19440, while the sum is 35.

The square root of 145232099 is about 12051.2281116905. The cubic root of 145232099 is about 525.6389487368.

The spelling of 145232099 in words is "one hundred forty-five million, two hundred thirty-two thousand, ninety-nine".