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145412 = 2236353
BaseRepresentation
bin100011100000000100
321101110122
4203200010
514123122
63041112
71143641
oct434004
9241418
10145412
119a283
1270198
1351257
152d142
hex23804

145412 has 6 divisors (see below), whose sum is σ = 254478. Its totient is φ = 72704.

The previous prime is 145399. The next prime is 145417. The reversal of 145412 is 214541.

It can be written as a sum of positive squares in only one way, i.e., 111556 + 33856 = 334^2 + 184^2 .

It is a super-2 number, since 2×1454122 = 42289299488, which contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is not an unprimeable number, because it can be changed into a prime (145417) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18173 + ... + 18180.

It is an arithmetic number, because the mean of its divisors is an integer number (42413).

2145412 is an apocalyptic number.

It is an amenable number.

145412 is a deficient number, since it is larger than the sum of its proper divisors (109066).

145412 is a wasteful number, since it uses less digits than its factorization.

145412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36357 (or 36355 counting only the distinct ones).

The product of its digits is 160, while the sum is 17.

The square root of 145412 is about 381.3292540574. The cubic root of 145412 is about 52.5855897916.

Adding to 145412 its reverse (214541), we get a palindrome (359953).

The spelling of 145412 in words is "one hundred forty-five thousand, four hundred twelve".

Divisors: 1 2 4 36353 72706 145412