145080649 has 16 divisors (see below), whose sum is σ = 172696320. Its totient is φ = 119246400.

The previous prime is 145080641. The next prime is 145080653. The reversal of 145080649 is 946080541.

It is a happy number.

It is not a de Polignac number, because 145080649 - 2³ = 145080641 is a prime.

It is a super-2 number, since 2×145080649² = 42096789428522402, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (145080641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28287 + ... + 33019.

It is an arithmetic number, because the mean of its divisors is an integer number (10793520).

Almost surely, 2^145080649 is an apocalyptic number.

It is an amenable number.

145080649 is a deficient number, since it is larger than the sum of its proper divisors (27615671).

145080649 is a wasteful number, since it uses less digits than its factorization.

145080649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4920.

The product of its (nonzero) digits is 34560, while the sum is 37.

The square root of 145080649 is about 12044.9428807280. The cubic root of 145080649 is about 525.4561707158.

The spelling of 145080649 in words is "one hundred forty-five million, eighty thousand, six hundred forty-nine".