145090807 has 2 divisors, whose sum is σ = 145090808. Its totient is φ = 145090806.

The previous prime is 145090793. The next prime is 145090861. The reversal of 145090807 is 708090541.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 145090807 - 2¹¹ = 145088759 is a prime.

It is a super-3 number, since 3×145090807³ (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (145090207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72545403 + 72545404.

It is an arithmetic number, because the mean of its divisors is an integer number (72545404).

Almost surely, 2^145090807 is an apocalyptic number.

145090807 is a deficient number, since it is larger than the sum of its proper divisors (1).

145090807 is an equidigital number, since it uses as much as digits as its factorization.

145090807 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10080, while the sum is 34.

The square root of 145090807 is about 12045.3645440891. The cubic root of 145090807 is about 525.4684339162.

The spelling of 145090807 in words is "one hundred forty-five million, ninety thousand, eight hundred seven".