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145414434 = 23112203249
BaseRepresentation
bin10001010101011…
…01100100100010
3101010121211002210
420222231210202
5244211230214
622232422550
73414000534
oct1052554442
9333554083
10145414434
11750a0020
1240847a56
1324184959
1415453854
15cb75b59
hex8aad922

145414434 has 16 divisors (see below), whose sum is σ = 317268000. Its totient is φ = 44064960.

The previous prime is 145414421. The next prime is 145414453. The reversal of 145414434 is 434414541.

It is a super-2 number, since 2×1454144342 = 42290715231080712, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1101559 + ... + 1101690.

It is an arithmetic number, because the mean of its divisors is an integer number (19829250).

Almost surely, 2145414434 is an apocalyptic number.

145414434 is an abundant number, since it is smaller than the sum of its proper divisors (171853566).

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

145414434 is a wasteful number, since it uses less digits than its factorization.

145414434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2203265.

The product of its digits is 15360, while the sum is 30.

The square root of 145414434 is about 12058.7907353930. The cubic root of 145414434 is about 525.8588319379.

Adding to 145414434 its reverse (434414541), we get a palindrome (579828975).

The spelling of 145414434 in words is "one hundred forty-five million, four hundred fourteen thousand, four hundred thirty-four".

Divisors: 1 2 3 6 11 22 33 66 2203249 4406498 6609747 13219494 24235739 48471478 72707217 145414434