145332234 has 12 divisors (see below), whose sum is σ = 314886546. Its totient is φ = 48444072.

The previous prime is 145332227. The next prime is 145332241. The reversal of 145332234 is 432233541.

It is an interprime number because it is at equal distance from previous prime (145332227) and next prime (145332241).

It can be written as a sum of positive squares in only one way, i.e., 143928009 + 1404225 = 11997^2 + 1185^2 .

It is a super-2 number, since 2×145332234² = 42242916478861512, which contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 145332198 and 145332207.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4036989 + ... + 4037024.

Almost surely, 2^145332234 is an apocalyptic number.

145332234 is an abundant number, since it is smaller than the sum of its proper divisors (169554312).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

145332234 is a wasteful number, since it uses less digits than its factorization.

145332234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8074021 (or 8074018 counting only the distinct ones).

The product of its digits is 8640, while the sum is 27.

The square root of 145332234 is about 12055.3819516430. The cubic root of 145332234 is about 525.7597272795.

Adding to 145332234 its reverse (432233541), we get a palindrome (577565775).

The spelling of 145332234 in words is "one hundred forty-five million, three hundred thirty-two thousand, two hundred thirty-four".