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145151294 = 2673107839
BaseRepresentation
bin10001010011011…
…01010100111110
3101010010110010212
420221231110332
5244124320134
622223032422
73411523421
oct1051552476
9333113125
10145151294
1174a30352
124073b712
13240c1c52
14153c59b8
15cb22bce
hex8a6d53e

145151294 has 8 divisors (see below), whose sum is σ = 218052480. Its totient is φ = 72467136.

The previous prime is 145151263. The next prime is 145151327. The reversal of 145151294 is 492151541.

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

It is a self number, because there is not a number n which added to its sum of digits gives 145151294.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52574 + ... + 55265.

It is an arithmetic number, because the mean of its divisors is an integer number (27256560).

Almost surely, 2145151294 is an apocalyptic number.

145151294 is a deficient number, since it is larger than the sum of its proper divisors (72901186).

145151294 is a wasteful number, since it uses less digits than its factorization.

145151294 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108514.

The product of its digits is 7200, while the sum is 32.

The square root of 145151294 is about 12047.8750823537. The cubic root of 145151294 is about 525.5414447292.

The spelling of 145151294 in words is "one hundred forty-five million, one hundred fifty-one thousand, two hundred ninety-four".

Divisors: 1 2 673 1346 107839 215678 72575647 145151294