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145070448 = 24313123071
BaseRepresentation
bin10001010010110…
…01100101110000
3101002222100020120
420221121211300
5244114223243
622221210240
73411035625
oct1051314560
9332870216
10145070448
1174985636
1240700980
1324094203
14153a434c
15cb08c83
hex8a59970

145070448 has 40 divisors (see below), whose sum is σ = 377642496. Its totient is φ = 47985600.

The previous prime is 145070437. The next prime is 145070461. The reversal of 145070448 is 844070541.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5248 + ... + 17823.

Almost surely, 2145070448 is an apocalyptic number.

It is an amenable number.

145070448 is an abundant number, since it is smaller than the sum of its proper divisors (232572048).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

145070448 is a wasteful number, since it uses less digits than its factorization.

145070448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23213 (or 23207 counting only the distinct ones).

The product of its (nonzero) digits is 17920, while the sum is 33.

The square root of 145070448 is about 12044.5194175608. The cubic root of 145070448 is about 525.4438550278.

The spelling of 145070448 in words is "one hundred forty-five million, seventy thousand, four hundred forty-eight".

Divisors: 1 2 3 4 6 8 12 16 24 48 131 262 393 524 786 1048 1572 2096 3144 6288 23071 46142 69213 92284 138426 184568 276852 369136 553704 1107408 3022301 6044602 9066903 12089204 18133806 24178408 36267612 48356816 72535224 145070448