145535746 has 8 divisors (see below), whose sum is σ = 225831420. Its totient is φ = 70258608.

The previous prime is 145535723. The next prime is 145535791. The reversal of 145535746 is 647535541.

It can be written as a sum of positive squares in 2 ways, for example, as 142683025 + 2852721 = 11945^2 + 1689^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 145535699 and 145535708.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 1254561 + ... + 1254676.

Almost surely, 2^145535746 is an apocalyptic number.

145535746 is a deficient number, since it is larger than the sum of its proper divisors (80295674).

145535746 is a wasteful number, since it uses less digits than its factorization.

145535746 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2509268.

The product of its digits is 252000, while the sum is 40.

The square root of 145535746 is about 12063.8197101913. The cubic root of 145535746 is about 526.0050238789.

The spelling of 145535746 in words is "one hundred forty-five million, five hundred thirty-five thousand, seven hundred forty-six".