145242533 has 8 divisors (see below), whose sum is σ = 152167680. Its totient is φ = 138457440.

The previous prime is 145242511. The next prime is 145242551. The reversal of 145242533 is 335242541.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 145242533 - 2⁸ = 145242277 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 145242496 and 145242505.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145242553) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32888 + ... + 37041.

It is an arithmetic number, because the mean of its divisors is an integer number (19020960).

Almost surely, 2^145242533 is an apocalyptic number.

It is an amenable number.

145242533 is a deficient number, since it is larger than the sum of its proper divisors (6925147).

145242533 is an equidigital number, since it uses as much as digits as its factorization.

145242533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70027.

The product of its digits is 14400, while the sum is 29.

The square root of 145242533 is about 12051.6610058531. The cubic root of 145242533 is about 525.6515363707.

The spelling of 145242533 in words is "one hundred forty-five million, two hundred forty-two thousand, five hundred thirty-three".