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145124734 = 26110311549
BaseRepresentation
bin10001010011001…
…10110101111110
3101010002002201011
420221212311332
5244122442414
622222305434
73411353116
oct1051466576
9333062634
10145124734
1174a123a7
124072827a
13240b2b31
14153ba046
15cb19dc4
hex8a66d7e

145124734 has 16 divisors (see below), whose sum is σ = 223423200. Its totient is φ = 70673760.

The previous prime is 145124723. The next prime is 145124737. The reversal of 145124734 is 437421541.

It is a super-2 number, since 2×1451247342 = 42122376837141512, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 145124696 and 145124705.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145124737) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6792 + ... + 18340.

It is an arithmetic number, because the mean of its divisors is an integer number (13963950).

Almost surely, 2145124734 is an apocalyptic number.

145124734 is a deficient number, since it is larger than the sum of its proper divisors (78298466).

145124734 is a wasteful number, since it uses less digits than its factorization.

145124734 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11715.

The product of its digits is 13440, while the sum is 31.

The square root of 145124734 is about 12046.7727628606. The cubic root of 145124734 is about 525.5093879884.

The spelling of 145124734 in words is "one hundred forty-five million, one hundred twenty-four thousand, seven hundred thirty-four".

Divisors: 1 2 61 103 122 206 6283 11549 12566 23098 704489 1189547 1408978 2379094 72562367 145124734