145423963 has 8 divisors (see below), whose sum is σ = 152293536. Its totient is φ = 138600000.

The previous prime is 145423961. The next prime is 145423981. The reversal of 145423963 is 369324541.

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 145423963 - 2¹ = 145423961 is a prime.

It is a super-2 number, since 2×145423963² = 42296258029250738, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (145423961) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4788 + ... + 17713.

It is an arithmetic number, because the mean of its divisors is an integer number (19036692).

Almost surely, 2^145423963 is an apocalyptic number.

145423963 is a deficient number, since it is larger than the sum of its proper divisors (6869573).

145423963 is a wasteful number, since it uses less digits than its factorization.

145423963 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22805.

The product of its digits is 77760, while the sum is 37.

The square root of 145423963 is about 12059.1858348729. The cubic root of 145423963 is about 525.8703181873.

The spelling of 145423963 in words is "one hundred forty-five million, four hundred twenty-three thousand, nine hundred sixty-three".