145235501 has 8 divisors (see below), whose sum is σ = 151683840. Its totient is φ = 138798352.

The previous prime is 145235483. The next prime is 145235507. The reversal of 145235501 is 105532541.

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 145235501 - 2¹⁸ = 144973357 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145235507) 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, 34415 + ... + 38403.

It is an arithmetic number, because the mean of its divisors is an integer number (18960480).

Almost surely, 2^145235501 is an apocalyptic number.

It is an amenable number.

145235501 is a deficient number, since it is larger than the sum of its proper divisors (6448339).

145235501 is a wasteful number, since it uses less digits than its factorization.

145235501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5595.

The product of its (nonzero) digits is 3000, while the sum is 26.

The square root of 145235501 is about 12051.3692583042. The cubic root of 145235501 is about 525.6430529942.

The spelling of 145235501 in words is "one hundred forty-five million, two hundred thirty-five thousand, five hundred one".