145046611 has 4 divisors (see below), whose sum is σ = 148419832. Its totient is φ = 141673392.

The previous prime is 145046609. The next prime is 145046621. The reversal of 145046611 is 116640541.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 145046611 - 2¹ = 145046609 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 145046611.

It is not an unprimeable number, because it can be changed into a prime (145046621) 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 3 ways as a sum of consecutive naturals, for example, 1686546 + ... + 1686631.

It is an arithmetic number, because the mean of its divisors is an integer number (37104958).

Almost surely, 2^145046611 is an apocalyptic number.

145046611 is a deficient number, since it is larger than the sum of its proper divisors (3373221).

145046611 is an equidigital number, since it uses as much as digits as its factorization.

145046611 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3373220.

The product of its (nonzero) digits is 2880, while the sum is 28.

The square root of 145046611 is about 12043.5298397106. The cubic root of 145046611 is about 525.4150743183.

It can be divided in two parts, 14504 and 6611, that added together give a triangular number (21115 = T₂₀₅).

The spelling of 145046611 in words is "one hundred forty-five million, forty-six thousand, six hundred eleven".