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145940734 = 2471552561
BaseRepresentation
bin10001011001011…
…10000011111110
3101011121120001101
420230232003332
5244330100414
622252003314
73421322122
oct1054560376
9334546041
10145940734
117541a485
1240a6053a
132430a384
141554d582
15cc2ba74
hex8b2e0fe

145940734 has 8 divisors (see below), whose sum is σ = 223568928. Its totient is φ = 71417760.

The previous prime is 145940677. The next prime is 145940749. The reversal of 145940734 is 437049541.

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

It is a junction number, because it is equal to n+sod(n) for n = 145940693 and 145940702.

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, 776187 + ... + 776374.

It is an arithmetic number, because the mean of its divisors is an integer number (27946116).

Almost surely, 2145940734 is an apocalyptic number.

145940734 is a deficient number, since it is larger than the sum of its proper divisors (77628194).

145940734 is a wasteful number, since it uses less digits than its factorization.

145940734 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1552610.

The product of its (nonzero) digits is 60480, while the sum is 37.

The square root of 145940734 is about 12080.5932801332. The cubic root of 145940734 is about 526.4924835696.

The spelling of 145940734 in words is "one hundred forty-five million, nine hundred forty thousand, seven hundred thirty-four".

Divisors: 1 2 47 94 1552561 3105122 72970367 145940734