145914238 has 8 divisors (see below), whose sum is σ = 219836232. Its totient is φ = 72635496.

The previous prime is 145914233. The next prime is 145914239. The reversal of 145914238 is 832419541.

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

It is a super-2 number, since 2×145914238² = 42581929702241288, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 145914197 and 145914206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145914233) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 160245 + ... + 161152.

It is an arithmetic number, because the mean of its divisors is an integer number (27479529).

Almost surely, 2^145914238 is an apocalyptic number.

145914238 is a deficient number, since it is larger than the sum of its proper divisors (73921994).

145914238 is a wasteful number, since it uses less digits than its factorization.

145914238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 321626.

The product of its digits is 34560, while the sum is 37.

The square root of 145914238 is about 12079.4965954712. The cubic root of 145914238 is about 526.4606195182.

The spelling of 145914238 in words is "one hundred forty-five million, nine hundred fourteen thousand, two hundred thirty-eight".