145045497 has 16 divisors (see below), whose sum is σ = 200056320. Its totient is φ = 93379200.

The previous prime is 145045463. The next prime is 145045499. The reversal of 145045497 is 794540541.

It is not a de Polignac number, because 145045497 - 2¹¹ = 145043449 is a prime.

It is not an unprimeable number, because it can be changed into a prime (145045499) 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, 51547 + ... + 54287.

It is an arithmetic number, because the mean of its divisors is an integer number (12503520).

Almost surely, 2^145045497 is an apocalyptic number.

It is an amenable number.

145045497 is a deficient number, since it is larger than the sum of its proper divisors (55010823).

145045497 is a wasteful number, since it uses less digits than its factorization.

145045497 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3344.

The product of its (nonzero) digits is 100800, while the sum is 39.

The square root of 145045497 is about 12043.4835907224. The cubic root of 145045497 is about 525.4137292015.

The spelling of 145045497 in words is "one hundred forty-five million, forty-five thousand, four hundred ninety-seven".