145377323 has 8 divisors (see below), whose sum is σ = 178926048. Its totient is φ = 115023744.

The previous prime is 145377313. The next prime is 145377347. The reversal of 145377323 is 323773541.

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 145377323 - 2⁴ = 145377307 is a prime.

It is a super-2 number, since 2×145377323² = 42269132085292658, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (145377313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 798686 + ... + 798867.

It is an arithmetic number, because the mean of its divisors is an integer number (22365756).

Almost surely, 2^145377323 is an apocalyptic number.

145377323 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

145377323 is a deficient number, since it is larger than the sum of its proper divisors (33548725).

145377323 is a wasteful number, since it uses less digits than its factorization.

145377323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1597573.

The product of its digits is 52920, while the sum is 35.

The square root of 145377323 is about 12057.2518842396. The cubic root of 145377323 is about 525.8140935834.

The spelling of 145377323 in words is "one hundred forty-five million, three hundred seventy-seven thousand, three hundred twenty-three".