145936497 has 16 divisors (see below), whose sum is σ = 230048640. Its totient is φ = 80516352.

The previous prime is 145936471. The next prime is 145936501. The reversal of 145936497 is 794639541.

It is not a de Polignac number, because 145936497 - 2¹⁰ = 145935473 is a prime.

It is a super-2 number, since 2×145936497² = 42594922313262018, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (145936897) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 119208 + ... + 120425.

It is an arithmetic number, because the mean of its divisors is an integer number (14378040).

Almost surely, 2^145936497 is an apocalyptic number.

It is an amenable number.

145936497 is a deficient number, since it is larger than the sum of its proper divisors (84112143).

145936497 is a wasteful number, since it uses less digits than its factorization.

145936497 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 239672.

The product of its digits is 816480, while the sum is 48.

The square root of 145936497 is about 12080.4179149564. The cubic root of 145936497 is about 526.4873884186.

The spelling of 145936497 in words is "one hundred forty-five million, nine hundred thirty-six thousand, four hundred ninety-seven".