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145875093 = 3713534341
BaseRepresentation
bin10001011000111…
…10000010010101
3101011111020000020
420230132002111
5244321000333
622250335353
73420626550
oct1054360225
9334436006
10145875093
1175385131
1240a2a559
13242b6530
1415533697
15cc173b3
hex8b1e095

145875093 has 16 divisors (see below), whose sum is σ = 239385216. Its totient is φ = 76944960.

The previous prime is 145875047. The next prime is 145875143. The reversal of 145875093 is 390578541.

It is not a de Polignac number, because 145875093 - 29 = 145874581 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145875043) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 266898 + ... + 267443.

It is an arithmetic number, because the mean of its divisors is an integer number (14961576).

Almost surely, 2145875093 is an apocalyptic number.

145875093 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

145875093 is a deficient number, since it is larger than the sum of its proper divisors (93510123).

145875093 is a wasteful number, since it uses less digits than its factorization.

145875093 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 534364.

The product of its (nonzero) digits is 151200, while the sum is 42.

The square root of 145875093 is about 12077.8761791964. The cubic root of 145875093 is about 526.4135367377.

The spelling of 145875093 in words is "one hundred forty-five million, eight hundred seventy-five thousand, ninety-three".

Divisors: 1 3 7 13 21 39 91 273 534341 1603023 3740387 6946433 11221161 20839299 48625031 145875093