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145437097 = 1373331463
BaseRepresentation
bin10001010101100…
…11000110101001
3101010122222012011
420222303012221
5244212441342
622233115521
73414123601
oct1052630651
9333588164
10145437097
1175106053
1240858ba1
1324192070
141545bc01
15cb7c717
hex8ab31a9

145437097 has 16 divisors (see below), whose sum is σ = 159593728. Its totient is φ = 131725440.

The previous prime is 145437067. The next prime is 145437109. The reversal of 145437097 is 790734541.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-145437097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (145437007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 313888 + ... + 314350.

It is an arithmetic number, because the mean of its divisors is an integer number (9974608).

Almost surely, 2145437097 is an apocalyptic number.

It is an amenable number.

145437097 is a deficient number, since it is larger than the sum of its proper divisors (14156631).

145437097 is a wasteful number, since it uses less digits than its factorization.

145437097 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 880.

The product of its (nonzero) digits is 105840, while the sum is 40.

The square root of 145437097 is about 12059.7303867043. The cubic root of 145437097 is about 525.8861490786.

The spelling of 145437097 in words is "one hundred forty-five million, four hundred thirty-seven thousand, ninety-seven".

Divisors: 1 13 73 331 463 949 4303 6019 24163 33799 153253 314119 439387 1992289 11187469 145437097