145553423 has 8 divisors (see below), whose sum is σ = 149773536. Its totient is φ = 141388000.

The previous prime is 145553417. The next prime is 145553431. The reversal of 145553423 is 324355541.

It is a happy number.

145553423 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 145553423 - 2¹⁰ = 145552399 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 145553423.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145553483) 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, 8243 + ... + 18948.

It is an arithmetic number, because the mean of its divisors is an integer number (18721692).

Almost surely, 2^145553423 is an apocalyptic number.

145553423 is a deficient number, since it is larger than the sum of its proper divisors (4220113).

145553423 is a wasteful number, since it uses less digits than its factorization.

145553423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27345.

The product of its digits is 36000, while the sum is 32.

The square root of 145553423 is about 12064.5523331784. The cubic root of 145553423 is about 526.0263194818.

The spelling of 145553423 in words is "one hundred forty-five million, five hundred fifty-three thousand, four hundred twenty-three".