145349378 has 8 divisors (see below), whose sum is σ = 218084160. Its totient is φ = 72654660.

The previous prime is 145349287. The next prime is 145349383. The reversal of 145349378 is 873943541.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×145349378² = 42252883369973768, which contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1883 + ... + 17153.

It is an arithmetic number, because the mean of its divisors is an integer number (27260520).

Almost surely, 2^145349378 is an apocalyptic number.

145349378 is a deficient number, since it is larger than the sum of its proper divisors (72734782).

145349378 is a wasteful number, since it uses less digits than its factorization.

145349378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20032.

The product of its digits is 362880, while the sum is 44.

The square root of 145349378 is about 12056.0929823886. The cubic root of 145349378 is about 525.7804000744.

The spelling of 145349378 in words is "one hundred forty-five million, three hundred forty-nine thousand, three hundred seventy-eight".