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145268048 = 249079253
BaseRepresentation
bin10001010100010…
…01110101010000
3101010100101022002
420222021311100
5244142034143
622225333132
73412521002
oct1052116520
9333311262
10145268048
1175000042
12407971a8
1324133133
1415416372
15cb475b8
hex8a89d50

145268048 has 10 divisors (see below), whose sum is σ = 281456874. Its totient is φ = 72634016.

The previous prime is 145268041. The next prime is 145268063. The reversal of 145268048 is 840862541.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 140375104 + 4892944 = 11848^2 + 2212^2 .

It is a super-2 number, since 2×1452680482 = 42205611539460608, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145268041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4539611 + ... + 4539642.

Almost surely, 2145268048 is an apocalyptic number.

It is an amenable number.

145268048 is a deficient number, since it is larger than the sum of its proper divisors (136188826).

145268048 is an equidigital number, since it uses as much as digits as its factorization.

145268048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9079261 (or 9079255 counting only the distinct ones).

The product of its (nonzero) digits is 61440, while the sum is 38.

The square root of 145268048 is about 12052.7195271441. The cubic root of 145268048 is about 525.6823152648.

The spelling of 145268048 in words is "one hundred forty-five million, two hundred sixty-eight thousand, forty-eight".

Divisors: 1 2 4 8 16 9079253 18158506 36317012 72634024 145268048