145436733 has 24 divisors (see below), whose sum is σ = 227125080. Its totient is φ = 89147520.

The previous prime is 145436723. The next prime is 145436737. The reversal of 145436733 is 337634541.

It can be written as a sum of positive squares in 4 ways, for example, as 2442969 + 142993764 = 1563^2 + 11958^2 .

It is not a de Polignac number, because 145436733 - 2⁵ = 145436701 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145436737) 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 23 ways as a sum of consecutive naturals, for example, 29163 + ... + 33783.

It is an arithmetic number, because the mean of its divisors is an integer number (9463545).

Almost surely, 2^145436733 is an apocalyptic number.

145436733 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

145436733 is a deficient number, since it is larger than the sum of its proper divisors (81688347).

145436733 is a wasteful number, since it uses less digits than its factorization.

145436733 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4909 (or 4906 counting only the distinct ones).

The product of its digits is 90720, while the sum is 36.

The square root of 145436733 is about 12059.7152951469. The cubic root of 145436733 is about 525.8857103489.

The spelling of 145436733 in words is "one hundred forty-five million, four hundred thirty-six thousand, seven hundred thirty-three".