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145361214 = 2328075623
BaseRepresentation
bin10001010101000…
…00100100111110
3101010112010002200
420222200210332
5244203024324
622231332330
73413356425
oct1052404476
9333463080
10145361214
1175064039
12408210a6
132416666b
141543c2bc
15cb64ec9
hex8aa093e

145361214 has 12 divisors (see below), whose sum is σ = 314949336. Its totient is φ = 48453732.

The previous prime is 145361159. The next prime is 145361233. The reversal of 145361214 is 412163541.

It is a happy number.

145361214 is a `hidden beast` number, since 1 + 4 + 536 + 121 + 4 = 666.

It is a super-2 number, since 2×1453612142 = 42259765071107592, 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 5 ways as a sum of consecutive naturals, for example, 4037794 + ... + 4037829.

It is an arithmetic number, because the mean of its divisors is an integer number (26245778).

Almost surely, 2145361214 is an apocalyptic number.

145361214 is an abundant number, since it is smaller than the sum of its proper divisors (169588122).

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

145361214 is a wasteful number, since it uses less digits than its factorization.

145361214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8075631 (or 8075628 counting only the distinct ones).

The product of its digits is 2880, while the sum is 27.

The square root of 145361214 is about 12056.5838445225. The cubic root of 145361214 is about 525.7946713610.

The spelling of 145361214 in words is "one hundred forty-five million, three hundred sixty-one thousand, two hundred fourteen".

Divisors: 1 2 3 6 9 18 8075623 16151246 24226869 48453738 72680607 145361214