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145331356 = 2279745587
BaseRepresentation
bin10001010100110…
…01010010011100
3101010110121010211
420222121102130
5244201100411
622230542204
73413203402
oct1052312234
9333417124
10145331356
1175043665
1240807964
1324155bb1
1415431472
15cb5b221
hex8a9949c

145331356 has 12 divisors (see below), whose sum is σ = 254654568. Its totient is φ = 72572912.

The previous prime is 145331321. The next prime is 145331369. The reversal of 145331356 is 653133541.

It is a super-2 number, since 2×1453313562 = 42242406073597472, which contains 22 as substring.

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, 19606 + ... + 25981.

It is an arithmetic number, because the mean of its divisors is an integer number (21221214).

Almost surely, 2145331356 is an apocalyptic number.

It is an amenable number.

145331356 is a deficient number, since it is larger than the sum of its proper divisors (109323212).

145331356 is a wasteful number, since it uses less digits than its factorization.

145331356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46388 (or 46386 counting only the distinct ones).

The product of its digits is 16200, while the sum is 31.

The square root of 145331356 is about 12055.3455363171. The cubic root of 145331356 is about 525.7586685147.

Adding to 145331356 its reverse (653133541), we get a palindrome (798464897).

The spelling of 145331356 in words is "one hundred forty-five million, three hundred thirty-one thousand, three hundred fifty-six".

Divisors: 1 2 4 797 1594 3188 45587 91174 182348 36332839 72665678 145331356