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145574349 = 3172854399
BaseRepresentation
bin10001010110101…
…00100111001101
3101010220221110120
420223110213031
5244231334344
622240055153
73415235004
oct1053244715
9333827416
10145574349
117519a188
12409044b9
132420c68b
1415495c3b
15cba8219
hex8ad49cd

145574349 has 8 divisors (see below), whose sum is σ = 205516800. Its totient is φ = 91340736.

The previous prime is 145574311. The next prime is 145574423. The reversal of 145574349 is 943475541.

145574349 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 145574349 - 29 = 145573837 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 145574349.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145574449) 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, 1427149 + ... + 1427250.

It is an arithmetic number, because the mean of its divisors is an integer number (25689600).

Almost surely, 2145574349 is an apocalyptic number.

It is an amenable number.

145574349 is a deficient number, since it is larger than the sum of its proper divisors (59942451).

145574349 is a wasteful number, since it uses less digits than its factorization.

145574349 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2854419.

The product of its digits is 302400, while the sum is 42.

The square root of 145574349 is about 12065.4195534179. The cubic root of 145574349 is about 526.0515269488.

The spelling of 145574349 in words is "one hundred forty-five million, five hundred seventy-four thousand, three hundred forty-nine".

Divisors: 1 3 17 51 2854399 8563197 48524783 145574349