145132097 has 4 divisors (see below), whose sum is σ = 158325936. Its totient is φ = 131938260.

The previous prime is 145132061. The next prime is 145132121. The reversal of 145132097 is 790231541.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 145132097 - 2¹² = 145128001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (145132007) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6596903 + ... + 6596924.

It is an arithmetic number, because the mean of its divisors is an integer number (39581484).

Almost surely, 2^145132097 is an apocalyptic number.

It is an amenable number.

145132097 is a deficient number, since it is larger than the sum of its proper divisors (13193839).

145132097 is a wasteful number, since it uses less digits than its factorization.

145132097 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13193838.

The product of its (nonzero) digits is 7560, while the sum is 32.

The square root of 145132097 is about 12047.0783595028. The cubic root of 145132097 is about 525.5182751944.

The spelling of 145132097 in words is "one hundred forty-five million, one hundred thirty-two thousand, ninety-seven".