145337497 has 8 divisors (see below), whose sum is σ = 150982272. Its totient is φ = 139792800.

The previous prime is 145337477. The next prime is 145337509. The reversal of 145337497 is 794733541.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-145337497 is a prime.

It is a super-2 number, since 2×145337497² = 42245976068450018, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (145337417) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22053 + ... + 27874.

It is an arithmetic number, because the mean of its divisors is an integer number (18872784).

Almost surely, 2^145337497 is an apocalyptic number.

It is an amenable number.

145337497 is a deficient number, since it is larger than the sum of its proper divisors (5644775).

145337497 is an equidigital number, since it uses as much as digits as its factorization.

145337497 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50039.

The product of its digits is 317520, while the sum is 43.

The square root of 145337497 is about 12055.6002339162. The cubic root of 145337497 is about 525.7660737497.

The spelling of 145337497 in words is "one hundred forty-five million, three hundred thirty-seven thousand, four hundred ninety-seven".