145401323 has 8 divisors (see below), whose sum is σ = 156253392. Its totient is φ = 134804736.

The previous prime is 145401307. The next prime is 145401341. The reversal of 145401323 is 323104541.

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 145401323 - 2⁴ = 145401307 is a prime.

It is a super-2 number, since 2×145401323² = 42283089460300658, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (145401353) 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, 62690 + ... + 64967.

It is an arithmetic number, because the mean of its divisors is an integer number (19531674).

Almost surely, 2^145401323 is an apocalyptic number.

145401323 is a deficient number, since it is larger than the sum of its proper divisors (10852069).

145401323 is a wasteful number, since it uses less digits than its factorization.

145401323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127741.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 145401323 is about 12058.2470948310. The cubic root of 145401323 is about 525.8430271282.

Adding to 145401323 its reverse (323104541), we get a palindrome (468505864).

The spelling of 145401323 in words is "one hundred forty-five million, four hundred one thousand, three hundred twenty-three".