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145070615 = 5293113217
BaseRepresentation
bin10001010010110…
…01101000010111
3101002222100110202
420221121220113
5244114224430
622221211115
73411036254
oct1051315027
9332870422
10145070615
1174985778
1240700a9b
1324094301
14153a442b
15cb08d45
hex8a59a17

145070615 has 16 divisors (see below), whose sum is σ = 180722880. Its totient is φ = 111659520.

The previous prime is 145070609. The next prime is 145070621. The reversal of 145070615 is 516070541.

It is an interprime number because it is at equal distance from previous prime (145070609) and next prime (145070621).

It is not a de Polignac number, because 145070615 - 26 = 145070551 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a congruent number.

It is an unprimeable number.

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, 43487 + ... + 46703.

It is an arithmetic number, because the mean of its divisors is an integer number (11295180).

Almost surely, 2145070615 is an apocalyptic number.

145070615 is a deficient number, since it is larger than the sum of its proper divisors (35652265).

145070615 is a wasteful number, since it uses less digits than its factorization.

145070615 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3562.

The product of its (nonzero) digits is 4200, while the sum is 29.

The square root of 145070615 is about 12044.5263501725. The cubic root of 145070615 is about 525.4440566519. Note that the first 3 decimals are identical.

The spelling of 145070615 in words is "one hundred forty-five million, seventy thousand, six hundred fifteen".

Divisors: 1 5 29 145 311 1555 3217 9019 16085 45095 93293 466465 1000487 5002435 29014123 145070615