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145098794 = 2285125447
BaseRepresentation
bin10001010011000…
…00100000101010
3101010000210010102
420221200200222
5244121130134
622221545402
73411214361
oct1051404052
9333023112
10145098794
11749a4965
1240715262
13240a4099
14153b07d8
15cb1237e
hex8a6082a

145098794 has 8 divisors (see below), whose sum is σ = 217733088. Its totient is φ = 72521100.

The previous prime is 145098781. The next prime is 145098797. The reversal of 145098794 is 497890541.

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

It is not an unprimeable number, because it can be changed into a prime (145098797) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7022 + ... + 18425.

It is an arithmetic number, because the mean of its divisors is an integer number (27216636).

Almost surely, 2145098794 is an apocalyptic number.

145098794 is a deficient number, since it is larger than the sum of its proper divisors (72634294).

145098794 is a wasteful number, since it uses less digits than its factorization.

145098794 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28300.

The product of its (nonzero) digits is 362880, while the sum is 47.

The square root of 145098794 is about 12045.6960778529. The cubic root of 145098794 is about 525.4780757845.

The spelling of 145098794 in words is "one hundred forty-five million, ninety-eight thousand, seven hundred ninety-four".

Divisors: 1 2 2851 5702 25447 50894 72549397 145098794