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149333445 = 32519174659
BaseRepresentation
bin10001110011010…
…10010111000101
3101101222220222100
420321222113011
5301212132240
622452422313
73462212322
oct1071522705
9341886870
10149333445
1177327478
1242017999
1324c276b1
1415b93b49
15d19be30
hex8e6a5c5

149333445 has 24 divisors (see below), whose sum is σ = 272469600. Its totient is φ = 75452256.

The previous prime is 149333347. The next prime is 149333447. The reversal of 149333445 is 544333941.

149333445 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 149333445 - 29 = 149332933 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149333447) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 86475 + ... + 88184.

It is an arithmetic number, because the mean of its divisors is an integer number (11352900).

Almost surely, 2149333445 is an apocalyptic number.

149333445 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

149333445 is a deficient number, since it is larger than the sum of its proper divisors (123136155).

149333445 is a wasteful number, since it uses less digits than its factorization.

149333445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174689 (or 174686 counting only the distinct ones).

The product of its digits is 77760, while the sum is 36.

The square root of 149333445 is about 12220.2064221518. The cubic root of 149333445 is about 530.5410932933.

The spelling of 149333445 in words is "one hundred forty-nine million, three hundred thirty-three thousand, four hundred forty-five".

Divisors: 1 3 5 9 15 19 45 57 95 171 285 855 174659 523977 873295 1571931 2619885 3318521 7859655 9955563 16592605 29866689 49777815 149333445