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122146045 = 5731112577
BaseRepresentation
bin1110100011111…
…00110011111101
322111211122212121
413101330303331
5222232133140
620042002541
73012136630
oct721746375
9274748777
10122146045
1162a4814a
1234aa6451
131c3c8988
1412317c17
15aacb64a
hex747ccfd

122146045 has 16 divisors (see below), whose sum is σ = 172919808. Its totient is φ = 81054720.

The previous prime is 122146039. The next prime is 122146069. The reversal of 122146045 is 540641221.

It is a happy number.

It is not a de Polignac number, because 122146045 - 29 = 122145533 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 55204 + ... + 57373.

It is an arithmetic number, because the mean of its divisors is an integer number (10807488).

Almost surely, 2122146045 is an apocalyptic number.

It is an amenable number.

122146045 is a deficient number, since it is larger than the sum of its proper divisors (50773763).

122146045 is a wasteful number, since it uses less digits than its factorization.

122146045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112620.

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 122146045 is about 11051.9701863514. The cubic root of 122146045 is about 496.1653934314.

Adding to 122146045 its reverse (540641221), we get a palindrome (662787266).

The spelling of 122146045 in words is "one hundred twenty-two million, one hundred forty-six thousand, forty-five".

Divisors: 1 5 7 31 35 155 217 1085 112577 562885 788039 3489887 3940195 17449435 24429209 122146045