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145424302 = 2139523109
BaseRepresentation
bin10001010101011…
…11111110101110
3101010122022122021
420222233332232
5244212034202
622232540354
73414041362
oct1052577656
9333568567
10145424302
11750a7481
12408516ba
13241892aa
14154572a2
15cb78a37
hex8aaffae

145424302 has 8 divisors (see below), whose sum is σ = 219706200. Its totient is φ = 72188904.

The previous prime is 145424263. The next prime is 145424327. The reversal of 145424302 is 203424541.

It is a happy number.

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

It is a super-2 number, since 2×1454243022 = 42296455224374408, which contains 22 as substring.

It is a congruent 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, 261277 + ... + 261832.

It is an arithmetic number, because the mean of its divisors is an integer number (27463275).

Almost surely, 2145424302 is an apocalyptic number.

145424302 is a deficient number, since it is larger than the sum of its proper divisors (74281898).

145424302 is a wasteful number, since it uses less digits than its factorization.

145424302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 523250.

The product of its (nonzero) digits is 3840, while the sum is 25.

The square root of 145424302 is about 12059.1998905400. The cubic root of 145424302 is about 525.8707268084.

Adding to 145424302 its reverse (203424541), we get a palindrome (348848843).

The spelling of 145424302 in words is "one hundred forty-five million, four hundred twenty-four thousand, three hundred two".

Divisors: 1 2 139 278 523109 1046218 72712151 145424302